MSTW League Manager: Cross-site scripting
MSTW League Manager is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is n/a through 2.10.
- Component
- MSTW League Manager
- Plugin slug
mstw-league-manager- Affected
- n/a through 2.10
- Safe version
> 2.10- Published
- Apr 02, 2026
This CVE was published Apr 02, 2026 and is one of 2 known issues for this plugin.
Update, patch or deactivate.
Update MSTW League Manager to a release after 2.10, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L