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CVE-2025-26153

MEDIUM
5.4
CVSS Score
Published: April 16, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:01 AM UTC
1 product affected across 1 vendorChamilo LMS

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

A Stored XSS vulnerability exists in the message compose feature of Chamilo LMS 1.11.28. Attackers can inject malicious scripts into messages, which execute when victims, such as administrators, reply to the message.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: [email protected]
https://gist.github.com/NoSpaceAvailable/234acdf57b5d7b29b2f39090c1686bc8
Source: [email protected]
https://github.com/chamilo/chamilo-lms/commit/beb07770d674fcc9db6df0e59aab107678c28682
Source: [email protected]
https://github.com/chamilo/chamilo-lms/commit/d5c29cf39ac30d7364a52bba4036c3e870412066

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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