CVE-2024-50443: WordPress PostX plugin <= 4.1.12 - Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-10-28 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPXPO PostX ultimate-post.This issue affects PostX: from n/a through <= 4.1.12.

Affected products

WPXPO PostX: before 4.1.13 — fixed in 4.1.13

How to fix

Upgrade to a fixed version: WPXPO PostX 4.1.13. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/Wordpress/Plugin/ultimate-post/vulnerability/wordpress-postx-plugin-4-1-12-cross-site-scripting-xss-vulnerability?_s_id=cve

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