CVE-2025-52998
Chamilo: PHAR deserialization bypass
Description
Chamilo is a learning management system. Prior to version 1.11.30, in the application, deserialization of data is performed, the data can be spoofed. An attacker can create objects of arbitrary classes, as well as fully control their properties, and thus modify the logic of the web application's operation. 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 !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update Chamilo to version 1.11.30 or a later version.
- Ensure all data is properly validated before deserialization.
- Review application logic for unexpected modifications.
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-2025-52998.
| URL | Resource |
|---|---|
| https://github.com/chamilo/chamilo-lms/commit/ba7e15d8cfefcd451de939e98d461b17e72eb627 | Patch |
| https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30 | Product Release Notes |
| https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6mwg-2mw5-rx5v | Patch 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-2025-52998 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-2025-52998
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-2025-52998 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-52998 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:N/S:U/C:H/I:H/A:H 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/ba7e15d8cfefcd451de939e98d461b17e72eb627 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-6mwg-2mw5-rx5v Types: Patch, 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, in the application, deserialization of data is performed, the data can be spoofed. An attacker can create objects of arbitrary classes, as well as fully control their properties, and thus modify the logic of the web application's operation. This issue has been patched in version 1.11.30. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:H/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-502 Added Reference https://github.com/chamilo/chamilo-lms/commit/ba7e15d8cfefcd451de939e98d461b17e72eb627 Added Reference https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30 Added Reference https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6mwg-2mw5-rx5v