Cross Site Scripting Vulnerability in Kotaemon by Cinnamon
CVE-2025-56526

6.1MEDIUM

Key Information:

Vendor

Cinnamon

Status
Vendor
CVE Published:
18 November 2025

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2025-56526?

A Cross Site Scripting (XSS) vulnerability exists in Kotaemon version 0.11.0, allowing attackers to execute arbitrary code on user systems. This can be accomplished by delivering specially crafted PDF files that exploit unsanitized content rendering. If executed, this vulnerability poses a significant security risk, enabling unauthorized access and data manipulation.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability Reserved

.