CVE-2021-37391

EPSS 2.1%

Vexday Risk Score

23Low

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS —EPSS 2.1%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

10 Aug 2021Published on NVD

02 Feb 2022Public PoC

Weaponization speed

175 daysto first PoC

Recommendation: Plan a near-term fix — a public PoC already exists.

A user without privileges in Chamilo LMS 1.11.14 can send an invitation message to another user, e.g., the administrator, through main/social/search.php, main/inc/lib/social.lib.php and steal cookies or execute arbitrary code on the administration side via a stored XSS vulnerability via social network the send invitation feature.

Affected products

n/a · n/a

public PoCs found — 1

exploitdbwww.exploit-db.com/exploits/50694unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chamilo-lms-1.11.14-xss-vulnerabilities https://github.com/chamilo/chamilo-lms/commit/de43a77049771cce08ea7234c5c1510b5af65bc8