Description
Cross site scripting (XSS) vulnerability in Kotaemon 0.11.0 allowing attackers to execute arbitrary code via a crafted PDF.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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HanTul/Kotaemon-CVE-2025-56526-56527-disclosure ★ 1 · Nov 14, 2025
Public disclosure for CVE-2025-56526 and CVE-2025-56527 — Stored XSS via unsanitized PDF content rendering and plaintext credential exposure in Kotaemon 0.11.0. Includes full technical analysis, PoC,…
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://github.com/Cinnamon/kotaemon/commit/37cdc28
- https://github.com/Cinnamon/kotaemon
- https://skinny-exoplanet-584.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-22cd1563bd3380458588eb49f361a363
- https://github.com/HanTul/Kotaemon-CVE-2025-56526-56527-disclosure
- https://harvest-sink-590.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-236770c3fe1e80f6a1aef381fb1c8f73