What’s Vulnerable › Vulnerabilities

CVE-2021-26746

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-19 · updated 2026-06-17
• Weakness: CWE-79

Description

Chamilo 1.11.14 allows XSS via a main/calendar/agenda_list.php?type= URI.

Affected products

• Chamilo: 1.11.14

References

• https://github.com/chamilo/chamilo-lms/commit/d939402d83bf68af5377b629883d8e5437d843ec
• https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-45-2021-01-21-Moderate-impact-moderate-risk-XSS-vulnerability-in-agenda
• https://www.netsparker.com/web-applications-advisories/ns-21-001-cross-site-scripting-in-chamilo-lms/
• https://github.com/chamilo/chamilo-lms/commit/d939402d83bf68af5377b629883d8e5437d843ec
• https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-45-2021-01-21-Moderate-impact-moderate-risk-XSS-vulnerability-in-agenda
• https://www.netsparker.com/web-applications-advisories/ns-21-001-cross-site-scripting-in-chamilo-lms/

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