Moodle cross-site scripting (XSS) vulnerability

moodle/moodle Updated 02 Oct 2025

Summary

13/05/2022

Disclosed on

CVE-2015-3274

CVE

Yes i

Fix available

Moderate

Severity

6.1

CVSS Score

CVE-2015-3274: Moodle cross-site scripting (XSS) vulnerability. Affects moodle/moodle across 3 version ranges.

>= 2.7.0, < 2.7.9 >= 2.8.0, < 2.8.7 >= 2.9.0, < 2.9.1

Fixed in 2.7.9, 2.8.7 or 2.9.1, depending on the release line you run. How to fix ↓

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Cross-site scripting (XSS) vulnerability in the user_get_user_details function in user/lib.php in Moodle through 2.6.11, 2.7.x before 2.7.9, 2.8.x before 2.8.7, and 2.9.x before 2.9.1 allows remote attackers to inject arbitrary web script or HTML by leveraging absence of an external_format_text call in a web service.