PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-39463 ManageWP CVE debrief

CVE-2026-39463 is a HIGH severity Unauthenticated Cross Site Scripting (XSS) vulnerability in ManageWP Worker plugin versions <= 4.9.31. The vulnerability has a CVSS score of 7.1 and was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-39463).

Vendor
ManageWP
Product
ManageWP Worker
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of ManageWP Worker plugin versions <= 4.9.31 should apply the necessary patches to prevent exploitation of this vulnerability.

Technical summary

The vulnerability is caused by an Unauthenticated Cross Site Scripting (XSS) issue in the ManageWP Worker plugin. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Defensive priority

HIGH

Recommended defensive actions

  • Apply the patch for ManageWP Worker plugin version 4.9.31 or later.
  • Check for updates and apply the latest version of the plugin.

Evidence notes

Evidence for this CVE was provided by Patchstack.

Official resources

CVE-2026-39463 was published on 2026-06-15T21:16:43.357Z and modified on 2026-06-15T21:24:32.790Z.