The KSES text cleaning filter in lib/weblib.php in Moodle before 1.8.13 and 1.9.x before…
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
The KSES text cleaning filter in lib/weblib.php in Moodle before 1.8.13 and 1.9.x before 1.9.9 does not properly handle vbscript URIs, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks via HTML input.
Why it matters now
EPSS 0.02226 82nd percentileScored 2026-11-07
Fix Fixed moodle/moodle (Packagist): 1.8.13, 1.9.9
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | moodle/moodle (Packagist) | before 1.8.13 | 1.8.13 | Patch available | GHSA-3gm8-32vv-q8mp |
| — | moodle/moodle (Packagist) | 1.9.0 to before 1.9.9 | 1.9.9 | Patch available | GHSA-3gm8-32vv-q8mp |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- moodle/moodle (Packagist) Vendor— Affected before 1.8.13 Fixed in 1.8.13 Patch available GHSA-3gm8-32vv-q8mp
- moodle/moodle (Packagist) Vendor— Affected 1.9.0 to before 1.9.9 Fixed in 1.9.9 Patch available GHSA-3gm8-32vv-q8mp
CPE configurations NVD · 53
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* | up to 1.8.12 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.1.1:*:*:*:*:*:*:* | 1.1.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.2.0:*:*:*:*:*:*:* | 1.2.0 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.2.1:*:*:*:*:*:*:* | 1.2.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.3.0:*:*:*:*:*:*:* | 1.3.0 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.3.1:*:*:*:*:*:*:* | 1.3.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.3.2:*:*:*:*:*:*:* | 1.3.2 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.3.3:*:*:*:*:*:*:* | 1.3.3 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.3.4:*:*:*:*:*:*:* | 1.3.4 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.4.1:*:*:*:*:*:*:* | 1.4.1 | Vulnerable | Moodle |
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions up to 1.8.12 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.1.1:*:*:*:*:*:*:* Versions 1.1.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.3.4:*:*:*:*:*:*:* Versions 1.3.4 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.4.1:*:*:*:*:*:*:* Versions 1.4.1 Vulnerable ·Moodle
Show 43 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:moodle:moodle:1.4.2:*:*:*:*:*:*:* | 1.4.2 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.4.3:*:*:*:*:*:*:* | 1.4.3 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.4.4:*:*:*:*:*:*:* | 1.4.4 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.4.5:*:*:*:*:*:*:* | 1.4.5 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.5:*:*:*:*:*:*:* | 1.5 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.5.0:beta:*:*:*:*:*:* | 1.5.0 beta | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.5.1:*:*:*:*:*:*:* | 1.5.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.5.2:*:*:*:*:*:*:* | 1.5.2 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.5.3:*:*:*:*:*:*:* | 1.5.3 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.6.0:*:*:*:*:*:*:* | 1.6.0 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.6.1:*:*:*:*:*:*:* | 1.6.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.6.2:*:*:*:*:*:*:* | 1.6.2 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.6.3:*:*:*:*:*:*:* | 1.6.3 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.6.4:*:*:*:*:*:*:* | 1.6.4 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.6.5:*:*:*:*:*:*:* | 1.6.5 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.6.6:*:*:*:*:*:*:* | 1.6.6 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.6.7:*:*:*:*:*:*:* | 1.6.7 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.6.8:*:*:*:*:*:*:* | 1.6.8 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.7.1:*:*:*:*:*:*:* | 1.7.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.7.2:*:*:*:*:*:*:* | 1.7.2 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.7.3:*:*:*:*:*:*:* | 1.7.3 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.7.4:*:*:*:*:*:*:* | 1.7.4 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.7.5:*:*:*:*:*:*:* | 1.7.5 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.7.6:*:*:*:*:*:*:* | 1.7.6 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.1:*:*:*:*:*:*:* | 1.8.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.2:*:*:*:*:*:*:* | 1.8.2 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.3:*:*:*:*:*:*:* | 1.8.3 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.4:*:*:*:*:*:*:* | 1.8.4 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.5:*:*:*:*:*:*:* | 1.8.5 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.6:*:*:*:*:*:*:* | 1.8.6 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.7:*:*:*:*:*:*:* | 1.8.7 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.8:*:*:*:*:*:*:* | 1.8.8 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.9:*:*:*:*:*:*:* | 1.8.9 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.10:*:*:*:*:*:*:* | 1.8.10 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.8.11:*:*:*:*:*:*:* | 1.8.11 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:* | 1.9.1 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:* | 1.9.2 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:* | 1.9.3 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:* | 1.9.4 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:* | 1.9.5 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:* | 1.9.6 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:* | 1.9.7 | Vulnerable | Moodle |
| cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:* | 1.9.8 | Vulnerable | Moodle |
- cpe:2.3:a:moodle:moodle:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.4.3:*:*:*:*:*:*:* Versions 1.4.3 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.4.4:*:*:*:*:*:*:* Versions 1.4.4 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.4.5:*:*:*:*:*:*:* Versions 1.4.5 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.5:*:*:*:*:*:*:* Versions 1.5 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.5.0:beta:*:*:*:*:*:* Versions 1.5.0 beta Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.5.1:*:*:*:*:*:*:* Versions 1.5.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.5.3:*:*:*:*:*:*:* Versions 1.5.3 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.6.0:*:*:*:*:*:*:* Versions 1.6.0 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.6.1:*:*:*:*:*:*:* Versions 1.6.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.6.2:*:*:*:*:*:*:* Versions 1.6.2 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.6.3:*:*:*:*:*:*:* Versions 1.6.3 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.6.4:*:*:*:*:*:*:* Versions 1.6.4 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.6.5:*:*:*:*:*:*:* Versions 1.6.5 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.6.6:*:*:*:*:*:*:* Versions 1.6.6 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.6.7:*:*:*:*:*:*:* Versions 1.6.7 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.6.8:*:*:*:*:*:*:* Versions 1.6.8 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.7.1:*:*:*:*:*:*:* Versions 1.7.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.7.2:*:*:*:*:*:*:* Versions 1.7.2 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.7.3:*:*:*:*:*:*:* Versions 1.7.3 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.7.4:*:*:*:*:*:*:* Versions 1.7.4 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.7.5:*:*:*:*:*:*:* Versions 1.7.5 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.7.6:*:*:*:*:*:*:* Versions 1.7.6 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.1:*:*:*:*:*:*:* Versions 1.8.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.2:*:*:*:*:*:*:* Versions 1.8.2 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.3:*:*:*:*:*:*:* Versions 1.8.3 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.4:*:*:*:*:*:*:* Versions 1.8.4 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.5:*:*:*:*:*:*:* Versions 1.8.5 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.6:*:*:*:*:*:*:* Versions 1.8.6 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.7:*:*:*:*:*:*:* Versions 1.8.7 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.8:*:*:*:*:*:*:* Versions 1.8.8 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.9:*:*:*:*:*:*:* Versions 1.8.9 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.10:*:*:*:*:*:*:* Versions 1.8.10 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.8.11:*:*:*:*:*:*:* Versions 1.8.11 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.1:*:*:*:*:*:*:* Versions 1.9.1 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.2:*:*:*:*:*:*:* Versions 1.9.2 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.3:*:*:*:*:*:*:* Versions 1.9.3 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.4:*:*:*:*:*:*:* Versions 1.9.4 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.5:*:*:*:*:*:*:* Versions 1.9.5 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.6:*:*:*:*:*:*:* Versions 1.9.6 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.7:*:*:*:*:*:*:* Versions 1.9.7 Vulnerable ·Moodle
- cpe:2.3:a:moodle:moodle:1.9.8:*:*:*:*:*:*:* Versions 1.9.8 Vulnerable ·Moodle
Remediation
- Fix · GHSA-3gm8-32vv-q8mp moodle/moodle (Packagist) Fixed in 1.8.13 Advisory →
- Fix · GHSA-3gm8-32vv-q8mp moodle/moodle (Packagist) Fixed in 1.9.9 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2010-2230
- 2026-10-03 Alias added: GHSA-3gm8-32vv-q8mp
References
Patch 2
Advisory 7
Other 10
- http://tracker.moodle.org/browse/MDL-22042
- http://docs.moodle.org/en/Moodle_1.8.13_release_notes
- [oss-security] 20100621 Re: CVE request: moodle 1.9.9/1.8.13 multiple vulnerabilities
- http://moodle.org/mod/forum/discuss.php?d=152368
- http://docs.moodle.org/en/Moodle_1.9.9_release_notes
- https://bugzilla.redhat.com/show_bug.cgi?id=605809
- https://github.com/moodle/moodle/commit/704c5dfed4f4531b6d74d19cfad573984e74885e
- https://github.com/moodle/moodle
- https://web.archive.org/web/20100621005117/http://secunia.com/advisories/40248
- https://web.archive.org/web/20100711044720/http://secunia.com/advisories/40352
More Moodle vulnerabilities
- TI-2024-22468 moodle: unsafe direct use of $_SERVER['HTTP_REFERER'] in admin/tool/mfa/index.php CVSS 3.1CRITICAL 9.8
- TI-2021-14741 In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses. CVSS 3.1CRITICAL 9.8
- TI-2024-29071 Moodle: remote code execution via calculated question types CVSS 3.1HIGH 8.1
- TI-2016-06653 Moodle 3.1.2 allows remote attackers to obtain sensitive information via unspecified… CVSS 3.1HIGH 7.5
- TI-2022-00259 SQL injection in moodle CVSS 3.1CRITICAL 9.8
- TI-2022-16116 Path traversal in Moodle CVSS 3.1HIGH 7.5
Sources
- CVE-2010-2230 · CVE Program
- CVE-2010-2230 · NVD
- FIRST EPSS
- GHSA-3gm8-32vv-q8mp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences