Vulnerability Details : CVE-2021-37391
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.
Vulnerability category: Cross site scripting (XSS)Execute code
Products affected by CVE-2021-37391
- cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-37391
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-37391
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-37391
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-37391
-
https://github.com/chamilo/chamilo-lms/commit/de43a77049771cce08ea7234c5c1510b5af65bc8
Security: Add script tags filter for users invitations in social network · chamilo/chamilo-lms@de43a77 · GitHubPatch;Third Party Advisory
-
https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chamilo-lms-1.11.14-xss-vulnerabilities
Chamilo-lms-1.11.x - From XSS to account takeover && backdoor implantation - Red Teaming and Malware AnalysisExploit;Third Party Advisory
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