PT-2021-17119 · Chamilo · Chamilo

Ali Oğuz · Published 2021-02-19 · Updated 2021-02-25 · CVE-2021-26746

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Chamilo version 1.11.14

Description The issue allows for XSS via a "main/calendar/agenda list.php?type=" URI. This means an attacker could potentially inject malicious scripts into the webpage, affecting users who access the page.

Recommendations For Chamilo version 1.11.14, as a temporary workaround, consider restricting access to the "main/calendar/agenda list.php" endpoint until a patch is available. Avoid using the type parameter in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-26746

Affected Products

Chamilo

References · 8

• https://github.com/chamilo/chamilo-lms/commit/d939402d83bf68af5377b629883d8e5437d843ec · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-26746 · Security Note
• https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-45-2021-01-21-Moderate-impact-moderate-risk-XSS-vulnerability-in-agenda · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-26746 · Vendor Advisory
• https://t.me/cvenotify/10127 · Telegram Post
• https://t.me/cvenotify/10481 · Telegram Post
• https://netsparker.com/web-applications-advisories/ns-21-001-cross-site-scripting-in-chamilo-lms · Note
• https://t.me/cvenotify/10138 · Telegram Post