Moodle vulnerable to Cross-site Scripting
Content on the groups page required additional sanitizing to prevent an XSS risk. This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8 and 3.11 to 3.11.14.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | moodle/moodle | >= 4.2.0, < 4.2.1, >= 4.1.0, < 4.1.4, >= 4.0.0, < 4.0.9, < 3.11.15 | 4.2.1, 4.1.4, 4.0.9, 3.11.15 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-35131
- https://bugzilla.redhat.com/show_bug.cgi?id=2214369
- https://github.com/moodle/moodle
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT
- https://moodle.org/mod/forum/discuss.php?d=447829
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76683
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
moodle/moodle- Disclosed
- 22.06.2023
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-fwfj-8p36-rc64 - CC BY 4.0
Vulnerability history: moodle/moodle
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 437
- First → latest
- 03.2021 02.2026
- Without a fix
- 10
- Exploited in attacks
- 0
Severity breakdown
- Critical 16
- High 68
- Medium 318
- Low 35
Disclosures per year
- 2021: 11
- 2022: 285
- 2023: 43
- 2024: 53
- 2025: 33
- 2026: 12
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Moodle vulnerable to Cross-site Scripting this entry
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