CVE-2023-34959

An issue in Chamilo v1.11.* up to v1.11.18 allows attackers to execute a Server-Side Request...

5.3 Medium

An issue in Chamilo v1.11.* up to v1.11.18 allows attackers to execute a Server-Side Request Forgery (SSRF) and obtain information on the services running on the server via crafted requests in the social and links tools.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.61%Up 0.6 points since Jun 9, 2023

What each source reports

NVD Score used 5.3

Record: CVE-2023-34959
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-918
Updated: 2026-11-02

CVE List 5.3

Record: CVE-2023-34959
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-918
Updated: 2026-11-02

EUVDEUVD-2023-38998 5.3

Record: EUVD-2023-38998
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xg93-7qj8-c5vg 5.3

An issue in Chamilo v1.11.* up to v1.11.18 allows attackers to execute a Server-Side Request...

Record: GHSA-xg93-7qj8-c5vg
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-918
Updated: 2026-11-02

OSV 5.3

Record: CVE-2023-34959
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

Affected products

chamilo lms

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-34959 is a medium vulnerability (CVSS 5.3) in Chamilo Lms, published June 8, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. No source names a fixed version.