CVE-2025-4776
Stored XSS in Phlox WordPress Theme via data-caption Attribute
Publication date: 2026-01-06
Last updated on: 2026-01-06
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| avertin | phlox | to 2.17.7 (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 Phlox WordPress theme up to version 2.17.7. It occurs because the theme does not properly sanitize or escape input in the `data-caption` HTML attribute. Authenticated users with Contributor-level access or higher can inject malicious scripts into pages, which then execute whenever any user views those pages.
How can this vulnerability impact me? :
The vulnerability allows attackers with Contributor-level access to inject arbitrary scripts into pages, which can lead to unauthorized actions such as stealing user credentials, session hijacking, or defacing the website. This compromises the security and integrity of the affected WordPress site and its users.
What immediate steps should I take to mitigate this vulnerability?
Update the Phlox WordPress theme to version 2.17.11 or later, as this version includes extensive fixes addressing the vulnerability. This update replaces the vulnerable versions up to 2.17.7 and mitigates the stored cross-site scripting issue. [1]