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CVE Vulnerability Details :
CVE-2025-52564
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-02 Mar, 2026 | 15:54
Updated At-02 Mar, 2026 | 16:19
Rejected At-
▼CVE Numbering Authority (CNA)
Chamilo: HTML injection via open parameter

Chamilo is a learning management system. Prior to version 1.11.30, the open parameter of help.php fails to properly sanitize user input. This allows an attacker to inject arbitrary HTML, such as underlined text, via a crafted URL. This issue has been patched in version 1.11.30.

Affected Products
Vendor
chamilo
Product
chamilo-lms
Versions
Affected
  • < 1.11.30
Problem Types
TypeCWE IDDescription
CWECWE-80CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Type: CWE
CWE ID: CWE-80
Description: CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6fmm-qrx4-wgqc
x_refsource_CONFIRM
https://github.com/chamilo/chamilo-lms/commit/083b1d2b0c29b0cc0313a28165ad47bebae9dcb2
x_refsource_MISC
https://github.com/chamilo/chamilo-lms/commit/1ee2d8bb61b67e08946cd80b1a9b92c1a9959c7b
x_refsource_MISC
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30
x_refsource_MISC
Hyperlink: https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6fmm-qrx4-wgqc
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/chamilo/chamilo-lms/commit/083b1d2b0c29b0cc0313a28165ad47bebae9dcb2
Resource:
x_refsource_MISC
Hyperlink: https://github.com/chamilo/chamilo-lms/commit/1ee2d8bb61b67e08946cd80b1a9b92c1a9959c7b
Resource:
x_refsource_MISC
Hyperlink: https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found