6.9
MEDIUM CVSS 4.0
CVE-2025-52564
Chamilo: HTML injection via open parameter
Description

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.

INFO

Published Date :

March 2, 2026, 4:16 p.m.

Last Modified :

March 3, 2026, 6:21 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-52564 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Chamilo chamilo_lms
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Update Chamilo to version 1.11.30 to fix an input sanitization vulnerability.
  • Update Chamilo to version 1.11.30 or later.
  • Verify input sanitization for the 'open' parameter.
  • Apply vendor patches if not on latest version.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-52564.

URL Resource
https://github.com/chamilo/chamilo-lms/commit/083b1d2b0c29b0cc0313a28165ad47bebae9dcb2 Patch
https://github.com/chamilo/chamilo-lms/commit/1ee2d8bb61b67e08946cd80b1a9b92c1a9959c7b Patch
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30 Product Release Notes
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6fmm-qrx4-wgqc Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-52564 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-52564 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-52564 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-52564 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Mar. 03, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Added CPE Configuration OR *cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:* versions up to (excluding) 1.11.30
    Added Reference Type GitHub, Inc.: https://github.com/chamilo/chamilo-lms/commit/083b1d2b0c29b0cc0313a28165ad47bebae9dcb2 Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/chamilo/chamilo-lms/commit/1ee2d8bb61b67e08946cd80b1a9b92c1a9959c7b Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30 Types: Product, Release Notes
    Added Reference Type GitHub, Inc.: https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6fmm-qrx4-wgqc Types: Vendor Advisory
  • New CVE Received by [email protected]

    Mar. 02, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-80
    Added Reference https://github.com/chamilo/chamilo-lms/commit/083b1d2b0c29b0cc0313a28165ad47bebae9dcb2
    Added Reference https://github.com/chamilo/chamilo-lms/commit/1ee2d8bb61b67e08946cd80b1a9b92c1a9959c7b
    Added Reference https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30
    Added Reference https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6fmm-qrx4-wgqc
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.