PT-2026-31121 · WordPress · Post Expirator

Published 2026-04-08 · Updated 2026-04-12 · CVE-2026-39482

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions PublishPress Post Expirator versions through 4.9.4

Description The software contains a flaw due to improper neutralization of input during web page generation, leading to a DOM-Based Cross-Site Scripting (XSS) condition. This allows for potential malicious code execution within the context of a user's browser.

Recommendations Update to a version newer than 4.9.4

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-39482

Affected Products

Post Expirator

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-39482 · Security Note
• https://patchstack.com/database/Wordpress/Plugin/post-expirator/vulnerability/wordpress-post-expirator-plugin-4-9-4-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2043368593656815703 · Twitter Post