Vulnerability · Published Jan 24, 2026 · Assigned by Wordfence
CVE-2026-1097ThemeRuby Multi Authors <= 1.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'before' and 'after' Shortcode Attributes
Medium 6.4
In plain English
A medium-severity cross-site scripting in ThemeRuby Multi Authors – Assign Multiple Writers to Posts from themeruby. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Official description
The ThemeRuby Multi Authors – Assign Multiple Writers to Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'before' and 'after' shortcode attributes in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| themeruby | ThemeRuby Multi Authors – Assign Multiple Writers to Posts | 0 – through 1.0.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ca74bb1d-1954-4869-aaa9-bf66600cdf2a?source=cve
- https://plugins.trac.wordpress.org/browser/themeruby-multi-authors/trunk/includes/class-tma-shortcodes.php#L76
- https://plugins.trac.wordpress.org/browser/themeruby-multi-authors/tags/1.0.0/includes/class-tma-shortcodes.php#L76
- https://plugins.trac.wordpress.org/changeset/3446398/