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6.4
Apollo13 Framework Extensions for WordPress: Stored XSS via 'a13_alt_link' Parameter
CVE-2025-13617
Summary
The Apollo13 Framework Extensions plugin for WordPress has a security flaw that allows attackers with Contributor-level access to inject malicious code into certain pages. This could be used to harm users who visit those pages. Update to the latest version of the plugin to fix this issue.
Original title
The Apollo13 Framework Extensions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘a13_alt_link’ parameter in all versions up to, and including, 1.9.8 due to insufficient ...
Original description
The Apollo13 Framework Extensions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘a13_alt_link’ parameter in all versions up to, and including, 1.9.8 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.
nvd CVSS3.1
6.4
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
Published: 19 Feb 2026 · Updated: 11 Mar 2026 · First seen: 6 Mar 2026