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6.4
CVE-2026-0916: Related Posts by Taxonomy plugin for WordPress allows attackers to inject malicious scripts
CVE-2026-0916 · published 9 months ago
Summary
The Related Posts by Taxonomy plugin for WordPress is not properly securing user input, which means an attacker with certain permissions can inject malicious code into pages. This can happen when a user visits a page with malicious code. To fix this, update the plugin to the latest version.
Original advisory text
The Related Posts by Taxonomy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'related_posts_by_tax' shortcode in all versions up to, and including, 2.7.6 due to ...
The Related Posts by Taxonomy plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'related_posts_by_tax' shortcode in all versions up to, and including, 2.7.6 due to insufficient input sanitization and output escaping on user supplied attributes. 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.
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published16 Jan 2026
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2026-0916 · NVD
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