EUVD-2026-31406
GHSA-m4c4-9rgw-f76c
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
The KIA Subtitle plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's the-subtitle shortcode before and after attributes in all versions up to, and including, 4.0.1. This is 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.
AnalysisAI
Stored Cross-Site Scripting in the KIA Subtitle WordPress plugin (all versions through 4.0.1) allows authenticated attackers with Contributor-level access to inject persistent malicious scripts via the before and after attributes of the the-subtitle shortcode. Any site visitor loading a page containing the injected shortcode will execute the attacker's script in their browser context. …
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