What is CVE-2026-32893?

CVE-2026-32893 is a medium-severity vulnerability in Chamilo Chamilo-Lms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-10.

How severe is CVE-2026-32893?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Chamilo Chamilo-Lms

CVE-2026-32893

Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, a Reflected Cross-Site Scripting (XSS) vulnerability in the exercise question list admin panel allows an attacker to execute arbitrary JavaScript in an authenticated teacher's browser. The pagination code merges all $_GET parameters via array_merge() and outputs the result via http_build_query() directly into HTML href attributes without htmlspecialchars() encoding. This vulnerability is fixed in 2.0.0-RC.3.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (3.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Chamilo Chamilo-lms — versions >= 2.0.0-alpha.1, < 2.0.0-RC.3
Chamilo Chamilo_lms — versions 2.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-32893?: CVE-2026-32893 is a medium-severity vulnerability in Chamilo Chamilo-Lms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-10.
How severe is CVE-2026-32893?: Medium severity. CVSS v3 base score is 5.4 out of 10.