WordPress MSTW League Manager plugin <= 2.10 - Cross Site Scripting (XSS) vulnerability
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Mark O’Donnell MSTW League Manager allows DOM-Based XSS.This issue affects MSTW League Manager: from n/a through 2.10.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00135 3rd 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
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| Mark O'Donnell | MSTW League Manager | up to 2.10 | — | No fix listed | CNA |
- MSTW League Manager VendorMark O'Donnell Affected up to 2.10 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-34890
- 2026-10-03 Alias added: GHSA-6jgp-7rr8-ccg5
More Mark O'Donnell vulnerabilities
- TI-2024-35110 WordPress Team Rosters plugin <= 4.8.2 - PHP Object Injection vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-39092 WordPress MSTW CSV EXPORTER plugin <= 1.4 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.3
- TI-2025-23042 WordPress Team Rosters Plugin <= 4.7 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
- TI-2025-36505 WordPress MSTW League Manager Plugin <= 2.10 - Cross Site Request Forgery (CSRF) Vulnerability CVSS 3.1HIGH 7.1
- TI-2024-12702 Coaching Staffs <= 1.5.1 - Authenticated (Contributor+) Stored Cross-Site Scripting CVSS 3.1MEDIUM 6.4
Sources
- CVE-2026-34890 · CVE Program
- CVE-2026-34890 · NVD
- FIRST EPSS
- GHSA-6jgp-7rr8-ccg5 · 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