CVE-2026-1097
ThemeRuby Multi Authors <= 1.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'before' and 'after' Shortcode Attributes
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | themeruby |
| Product | themeruby multi authors – assign multiple writers to posts |
| Published | Jan 24, 2026 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
themeruby / ThemeRuby Multi Authors – Assign Multiple Writers to Posts
0 ≤ 1.0.0
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/ca74bb1d-1954-4869-aaa9-bf66600cdf2a?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/themeruby-multi-authors/trunk/includes/class-tma-shortcodes.php#L76 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/themeruby-multi-authors/tags/1.0.0/includes/class-tma-shortcodes.php#L76 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3446398/
Credits
Djaidja Moundjid