CVE-2025-14144
Stored XSS in Mstoic Shortcodes Plugin via ms_youtube_embeds Parameter
Publication date: 2026-01-07
Last updated on: 2026-01-07
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mstoic | shortcodes | to 2.0 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the Mstoic Shortcodes plugin for WordPress. It occurs via the 'start' parameter of the ms_youtube_embeds shortcode in all versions up to and including 2.0. Due to insufficient input sanitization and output escaping, authenticated users with Contributor-level access or higher can inject arbitrary web scripts into pages. These scripts execute whenever any user accesses the injected page.
How can this vulnerability impact me? :
The vulnerability allows attackers with Contributor-level access or higher to inject malicious scripts into WordPress pages. This can lead to unauthorized actions such as stealing user session data, defacing websites, or performing actions on behalf of other users without their consent, potentially compromising the security and integrity of the affected website.