What the vulnerability does
01Description
The Shortcodes and extra features for Phlox theme plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a combination of the 'tag' and ‘title_tag’ parameters in all versions up to, and including, 2.17.13 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.
Explanation of Vulnerability in Simple Terms
02Summary
The Shortcodes and extra features for Phlox theme contains a stored cross-site scripting (XSS) vulnerability affecting versions up to 2.17.13. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other site visitors, potentially compromising their sessions or stealing sensitive data. The vulnerability has scope impact, meaning it can affect users beyond the immediate vulnerable component.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers when they view affected pages.
Potential impact on your site
04Site Impact
Visitors' sessions and data could be compromised if a low-privilege user injects malicious code.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege authenticated account on the site.
Key dates
06Disclosure timeline
January 10, 2026
CVE published
April 8, 2026
Record updated
