PT-2026-4585 · WordPress · Themeruby Multi Authors – Assign Multiple Writers To Posts

Djaidja Moundjid · Published 2026-01-24 · Updated 2026-01-24 · CVE-2026-1097

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions ThemeRuby Multi Authors – Assign Multiple Writers to Posts plugin for WordPress versions up to and including 1.0.0

Description The ThemeRuby Multi Authors – Assign Multiple Writers to Posts plugin for WordPress is susceptible to Stored Cross-Site Scripting. This is due to insufficient input sanitization and output escaping in the 'before' and 'after' shortcode attributes. Authenticated attackers with Contributor-level access or higher can inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.

Recommendations Update ThemeRuby Multi Authors – Assign Multiple Writers to Posts plugin for WordPress to a version later than 1.0.0.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-1097

Affected Products

Themeruby Multi Authors – Assign Multiple Writers To Posts

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-1097 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/ca74bb1d-1954-4869-aaa9-bf66600cdf2a?source=cve · Note
• https://plugins.trac.wordpress.org/changeset/3446398 · Note
• https://plugins.trac.wordpress.org/browser/themeruby-multi-authors/trunk/includes/class-tma-shortcodes.php#L76 · Note
• https://twitter.com/VulmonFeeds/status/2014993666285187405 · Twitter Post
• https://t.me/CVEtracker/42926 · Telegram Post
• https://twitter.com/CVEnew/status/2014995775051432376 · Twitter Post
• https://plugins.trac.wordpress.org/browser/themeruby-multi-authors/tags/1.0.0/includes/class-tma-shortcodes.php#L76 · Note