Firefox — PoC Archivehttps://poc.intelseclab.com/tags/firefox/Latest proof-of-concept entries.Hugoen-usSun, 16 Aug 2026 00:00:00 +0000Firefox SpiderMonkey JIT Miscompilation and Use-After-Free (CVE-2026-2764)https://poc.intelseclab.com/pocs/binary/2026-08-16_cve-2026-2764-firefox-jit-uaf/Sun, 16 Aug 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/binary/2026-08-16_cve-2026-2764-firefox-jit-uaf/High severity (CVSS 8.8) — binary · CVE-2026-2764 / MFSA 2026-13. Status: Patched. Affects: Mozilla Firefox (SpiderMonkey JavaScript Engine). Tags: firefox, spidermonkey, jit, uaf, type-confusion, wasm, browser, ionmonkey, baseline, proxy, CVE-2026-2764.binaryHighfirefoxspidermonkeyjituaftype-confusionwasmbrowserionmonkeybaselineproxyCVE-2026-2764Firefox/Tor Browser IndexedDB Ordering Fingerprint — CVE-2026-6770https://poc.intelseclab.com/pocs/binary/2026-07-05_cve-2026-6770-firefox-tor-indexeddb-fingerprint/Sun, 05 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/binary/2026-07-05_cve-2026-6770-firefox-tor-indexeddb-fingerprint/Medium severity — binary · CVE-2026-6770. Status: PoC. Affects: Mozilla Firefox / Tor Browser. Tags: firefox, tor-browser, indexeddb, fingerprinting, deanonymization, privacy.binaryMediumfirefoxtor-browserindexeddbfingerprintingdeanonymizationprivacyFirefox Smart Window Private URL Exfiltrationhttps://poc.intelseclab.com/pocs/web/2026-07-03_firefox-smartwindow-private-url-exfil/Fri, 03 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/web/2026-07-03_firefox-smartwindow-private-url-exfil/High severity — web · None assigned as of 2026-07-03. Status: PoC. Affects: Firefox Smart Window (AI browsing assistant feature). Tags: firefox, smart-window, ai-assistant, privacy-leak, information-disclosure, url-token-exfiltration, browser, prompt-injection.webHighfirefoxsmart-windowai-assistantprivacy-leakinformation-disclosureurl-token-exfiltrationbrowserprompt-injection