Quick answers
- Is CVE-2026-54863 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-54863 being exploited in the wild.
- How severe is CVE-2026-54863?
- High severity, with a CVSS score of 7.1, published 9 November 2026.
- Which products and versions are affected?
- Mamunur Rashid Review Schema through 3.1.4.
- Is there a fix for CVE-2026-54863?
- Yes: fixed in 3.1.5. Until then: Patchstack has issued a mitigation rule to block XSS attack attempts until the plugin is updated. As an immediate action, restrict plugin access if possible or update to version 3.1.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-54863 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-54863?
- Check whether you run Mamunur Rashid Review Schema 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: 3.1.5
Patchstack has issued a mitigation rule to block XSS attack attempts until the plugin is updated. As an immediate action, restrict plugin access if possible or update to version 3.1.5 or later.
Technical details
Improper input neutralization during web page generation permits reflected XSS attacks in Review Schema plugin versions up to 3.1.4. Exploitation requires user interaction (clicking a malicious link) but does not require authentication or special privileges. Successful exploitation allows arbitrary JavaScript execution in the victim's browser context.
Affected products
- Mamunur Rashid Review Schema through 3.1.4
Timeline
- 2026-10-23: disclosed: Reported by AndrewN
- 2026-11-07: advisory
- 2026-11-07: patched: Version 3.1.5 released