<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Oauth-Backdoor — PoC Archive</title><link>https://poc.intelseclab.com/tags/oauth-backdoor/</link><description>Latest proof-of-concept entries.</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Sun, 05 Jul 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://poc.intelseclab.com/tags/oauth-backdoor/index.xml" rel="self" type="application/rss+xml"/><item><title>Postiz Arbitrary File Upload to Stored XSS / Account Takeover (CVE-2026-40487)</title><link>https://poc.intelseclab.com/pocs/web/2026-07-05_cve-2026-40487-postiz-svg-upload-xss/</link><pubDate>Sun, 05 Jul 2026 00:00:00 +0000</pubDate><guid>https://poc.intelseclab.com/pocs/web/2026-07-05_cve-2026-40487-postiz-svg-upload-xss/</guid><description>High severity (CVSS 8.9) — web · CVE-2026-40487 / GHSA-44wg-r34q-hvfx. Status: PoC. Affects: Postiz (open-source social media management platform, gitroomhq/postiz-app). Tags: file-upload, mime-spoofing, stored-xss, account-takeover, postiz, nodejs, oauth-backdoor.</description><category>web</category><category>High</category><category>file-upload</category><category>mime-spoofing</category><category>stored-xss</category><category>account-takeover</category><category>postiz</category><category>nodejs</category><category>oauth-backdoor</category></item></channel></rss>