Quick answers
- Is CVE-2026-119478 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-119478 being exploited in the wild.
- How severe is CVE-2026-119478?
- Medium severity, with a CVSS score of 4.3, published 7 November 2026.
- Which products and versions are affected?
- StylemixThemes MasterStudy LMS 3.7.56 and earlier.
- Is there a fix for CVE-2026-119478?
- Yes: fixed in 3.7.57. Until then: Update the affected plugin to version 3.7.57 or later immediately. If you are unable to update, contact your hosting provider or web developer for assistance. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-119478 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-119478?
- Check whether you run StylemixThemes MasterStudy LMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 3.7.57
Update the affected plugin to version 3.7.57 or later immediately. If you are unable to update, contact your hosting provider or web developer for assistance.
Technical details
The vulnerability is an improper neutralization of script-related HTML tags (CWE-80, basic XSS/content injection) in the MasterStudy LMS WordPress plugin. An attacker with subscriber-level privileges can inject malicious HTML or JavaScript that is executed when other users view affected pages. The flaw exists in versions through 3.7.56.
Affected products
- StylemixThemes MasterStudy LMS 3.7.56 and earlier
Timeline
- 2026-10-29: disclosed: Reported to Patchstack
- 2026-11-07: advisory: Published by Patchstack