CVE-2026-39463 HIGH

CVE-2026-39463: WordPress ManageWP Worker plugin <= 4.9.31 - Cross Site Scripting (XSS) vulnerability

Vendor Managewp

Product ManageWP Worker

Weakness CWE-79 · XSS

Published June 15, 2026

Last update June 15, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Unauthenticated Cross Site Scripting (XSS) in ManageWP Worker <= 4.9.31 versions.

Explanation of Vulnerability in Simple Terms

02Summary

ManageWP Worker versions up to 4.9.31 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link or page that, when visited by a site administrator, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized administrative actions.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in an admin's browser to steal credentials or perform unauthorized actions.

Potential impact on your site

04Site Impact

Admins visiting malicious links could have their sessions hijacked or credentials stolen, compromising the entire site.

Conditions required to exploit

05Prerequisites

An admin must visit a malicious link or page crafted by the attacker; no authentication required from the attacker.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-39463 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities