CVE Catalog

CVE-2026-118071

MediumCVSS 6.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.24%

15th percentile - higher than 15% of all known CVEs

Summary

The Joinchat WordPress plugin before 6.4.2 does not escape the message of its button block before outputting it in an HTML attribute on the front end. This could allow users with the Author role and above to perform Stored Cross-Site Scripting attacks against any visitor of the post, including administrators.

Risk Assessment

A malicious script stored in a post can execute in an administrator's or other users' browser, leading to session hijacking or unauthorized actions on the site.

Recommendation

Update the Joinchat plugin to version 6.4.2 or later. Limit the number of accounts with the Author role to the necessary minimum.

Related vulnerabilities

Original NVD description (English source)

The Joinchat WordPress plugin before 6.4.2 does not escape the message of its button block before outputting it in an HTML attribute on the front end, which could allow users with the Author role and above to perform Stored Cross-Site Scripting attacks against any visitor of the post, including administrators.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS