Base Score

MEDIUM6.1

CVE-2025-56526

Cross site scripting (XSS) vulnerability in Kotaemon 0.11.0 allowing attackers to execute arbitrary code via a crafted PDF.

VectorNETWORK

Published Bycve@mitre.org

Published DateNov 18, 2025, 17:16

Weakness Type (CWE):CWE-79

CVSS Metrics

Base Score

6.1

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

CHANGED

Confidentiality (C)

LOW

Integrity (I)

LOW

Availability (A)

NONE

References

https://github.com/Cinnamon/kotaemon
https://github.com/Cinnamon/kotaemon/commit/37cdc28
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
https://skinny-exoplanet-584.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-22cd1563bd3380458588eb49f361a363

Base Score

MEDIUM6.1

Weakness Type (CWE):CWE-79

CVSS Metrics

Base Score

6.1

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Base Severity

MEDIUM

Version

3.1

Attack Vector (AV)

NETWORK

Attack Complexity (AC)

LOW

Privileges Required (PR)

NONE

User Interaction (UI)

REQUIRED

Scope (S)

CHANGED

Confidentiality (C)

LOW

Integrity (I)

LOW

Availability (A)

NONE