> CVE-2025-52469 [HIGH]

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PUBLISHED
2026-03-02 16:16
MODIFIED
2026-03-02 16:16
CVSS_SCORE V3
7.1
EPSS (Prob. Exploit)
0.30%
Top 78.3%
DATA SOURCES:
NVD 🔗 2026-03-02 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25 OSV 🔗 2026-03-09

> DESCRIPTION

Chamilo is a learning management system. Prior to version 1.11.30, a logic vulnerability in the friend request workflow of Chamilo’s social network module allows an authenticated user to forcibly add any user as a friend by directly calling the AJAX endpoint. The attacker can bypass the normal flow of sending and accepting friend requests, and even add non-existent users. This breaks access control and social interaction logic, with potential privacy implications. This issue has been patched in version 1.11.30.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
EXPLOITABILITY
2.8
IMPACT
4.2

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
Low (L)
Divulgation limitée d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
Low
Divulgation limitée d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-841

> CWE DETAILED DESCRIPTIONS

CWE-841: Improper Enforcement of Behavioral Workflow - The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence or timeframe.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Chamilo: Friend Request Workflow Bypass - Unauthorized Friend Addition and ID Validation Bypass

AFFECTED PACKAGES:
Unknown / Unknown
77 versions affected
ALIASES:
GHSA-m5xj-5xf3-rqch

> HISTORIQUE DES MODIFICATIONS

Première apparition
02/03/2026 16:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:58
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-841: Improper Enforcement of Behavioral Workflow - The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor perf...
Nouvelle valeur:
CWE-841: Improper Enforcement of Behavioral Workflow - The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor perf...
📊 ENRICHISSEMENT 01/04/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-841: Improper Enforcement of Behavioral Workflow - The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor perf...
Total des modifications: 2 Dernière mise à jour: 1 week ago

> REFERENCES

https://github.com/chamilo/chamilo-lms/commit/39e0fa88a2ba5dd197e0d8ce7335730b66...
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-m5xj-5xf3-rqch
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