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| Vulnerability ID | VCID-bu6d-ns3s-fuck |
| Aliases |
CVE-2021-27131
GHSA-w2pm-fr62-jgv4 |
| Summary | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Moodle 3.10.1 is vulnerable to persistent/stored cross-site scripting (XSS) due to the improper input sanitization on the "Additional HTML Section" via "Header and Footer" parameter in /admin/settings.php. This vulnerability is leading an attacker to steal admin and all user account cookies by storing the malicious XSS payload in Header and Footer. |
| Status | Published |
| Exploitability | None |
| Weighted Severity | None |
| Risk | None |
| Affected and Fixed Packages | Package Details |
| System | Score | Found at |
|---|---|---|
| There are no known severity scores. | ||
| Reference id | Reference type | URL |
|---|---|---|
| https://github.com/moodle/moodle | ||
| https://github.com/p4nk4jv/CVEs-Assigned/blob/master/Moodle-3.10.1-CVE-2021-27131.md | ||
| CVE-2021-27131 | https://nvd.nist.gov/vuln/detail/CVE-2021-27131 | |
| GHSA-w2pm-fr62-jgv4 | https://github.com/advisories/GHSA-w2pm-fr62-jgv4 |
No EPSS data available for this vulnerability.
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2026-06-02T04:44:49.608285+00:00 | GitLab Importer | Import | https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/moodle/moodle/CVE-2021-27131.yml | 38.6.0 |