Totara LMS User Selector check.php cross site scripting
Priority MEDIUM 62CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting, Code execution
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.
Summary
A vulnerability was found in Totara LMS up to 18.7. It has been rated as problematic. Affected by this issue is some unknown functionality of the file admin/roles/check.php of the component User Selector. The manipulation of the argument ID Number leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 13.46, 14.38, 15.33, 16.27, 17.21 and 18.8 is able to address this issue. It is recommended to upgrade the affected component.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00435 38th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Totara | LMS | 13.0; 13.1; 13.2; 13.3; 13.4; 13.5; 13.6; 13.7; 13.8; 13.9; 13.10; 13.11; 13.12; 13.13; 13.14; 13.15; 13.16; 13.17; 13.18; 13.19; 13.20; 13.21; 13.22; 13.23; 13.24; 13.25; 13.26; 13.27; 13.28; 13.29; 13.30; 13.31; 13.32; 13.33; 13.34; 13.35; 13.36; 13.37; 13.38; 13.39; 13.40; 13.41; 13.42; 13.43; 13.44; 13.45; 14.0; 14.1; 14.2; 14.3; 14.4; 14.5; 14.6; 14.7; 14.8; 14.9; 14.10; 14.11; 14.12; 14.13; 14.14; 14.15; 14.16; 14.17; 14.18; 14.19; 14.20; 14.21; 14.22; 14.23; 14.24; 14.25; 14.26; 14.27; 14.28; 14.29; 14.30; 14.31; 14.32; 14.33; 14.34; 14.35; 14.36; 14.37; 15.0; 15.1; 15.2; 15.3; 15.4; 15.5; 15.6; 15.7; 15.8; 15.9; 15.10; 15.11; 15.12; 15.13; 15.14; 15.15; 15.16; 15.17; 15.18; 15.19; 15.20; 15.21; 15.22; 15.23; 15.24; 15.25; 15.26; 15.27; 15.28; 15.29; 15.30; 15.31; 15.32; 16.0; 16.1; 16.2; 16.3; 16.4; 16.5; 16.6; 16.7; 16.8; 16.9; 16.10; 16.11; 16.12; 16.13; 16.14; 16.15; 16.16; 16.17; 16.18; 16.19; 16.20; 16.21; 16.22; 16.23; 16.24; 16.25; 16.26; 17.0; 17.1; 17.2; 17.3; 17.4; 17.5; 17.6; 17.7; 17.8; 17.9; 17.10; 17.11; 17.12; 17.13; 17.14; 17.15; 17.16; 17.17; 17.18; 17.19; 17.20; 18.0; 18.1; 18.2; 18.3; 18.4; 18.5; 18.6; 18.7 | — | No fix listed | CNA |
- LMS VendorTotara Affected 13.0; 13.1; 13.2; 13.3; 13.4; 13.5; 13.6; 13.7; 13.8; 13.9; 13.10; 13.11; 13.12; 13.13; 13.14; 13.15; 13.16; 13.17; 13.18; 13.19; 13.20; 13.21; 13.22; 13.23; 13.24; 13.25; 13.26; 13.27; 13.28; 13.29; 13.30; 13.31; 13.32; 13.33; 13.34; 13.35; 13.36; 13.37; 13.38; 13.39; 13.40; 13.41; 13.42; 13.43; 13.44; 13.45; 14.0; 14.1; 14.2; 14.3; 14.4; 14.5; 14.6; 14.7; 14.8; 14.9; 14.10; 14.11; 14.12; 14.13; 14.14; 14.15; 14.16; 14.17; 14.18; 14.19; 14.20; 14.21; 14.22; 14.23; 14.24; 14.25; 14.26; 14.27; 14.28; 14.29; 14.30; 14.31; 14.32; 14.33; 14.34; 14.35; 14.36; 14.37; 15.0; 15.1; 15.2; 15.3; 15.4; 15.5; 15.6; 15.7; 15.8; 15.9; 15.10; 15.11; 15.12; 15.13; 15.14; 15.15; 15.16; 15.17; 15.18; 15.19; 15.20; 15.21; 15.22; 15.23; 15.24; 15.25; 15.26; 15.27; 15.28; 15.29; 15.30; 15.31; 15.32; 16.0; 16.1; 16.2; 16.3; 16.4; 16.5; 16.6; 16.7; 16.8; 16.9; 16.10; 16.11; 16.12; 16.13; 16.14; 16.15; 16.16; 16.17; 16.18; 16.19; 16.20; 16.21; 16.22; 16.23; 16.24; 16.25; 16.26; 17.0; 17.1; 17.2; 17.3; 17.4; 17.5; 17.6; 17.7; 17.8; 17.9; 17.10; 17.11; 17.12; 17.13; 17.14; 17.15; 17.16; 17.17; 17.18; 17.19; 17.20; 18.0; 18.1; 18.2; 18.3; 18.4; 18.5; 18.6; 18.7 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:totara:totara:*:*:*:*:*:*:*:* | 13.0 to before 13.46; 14.0 to before 14.38; 15.0 to before 15.33; 16.0 to before 16.27; 17.0 to before 17.21; 18.0 to before 18.8 | Vulnerable | Totara |
- cpe:2.3:a:totara:totara:*:*:*:*:*:*:*:* Versions 13.0 to before 13.46; 14.0 to before 14.38; 15.0 to before 15.33; 16.0 to before 16.27; 17.0 to before 17.21; 18.0 to before 18.8 Vulnerable ·Totara
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-3931
- 2026-10-03 Alias added: GHSA-94h5-8cv5-pxxm
References
Sources
- CVE-2024-3931 · CVE Program
- CVE-2024-3931 · NVD
- FIRST EPSS
- GHSA-94h5-8cv5-pxxm · 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