CVE-2025-13854
BaseFortify
Publication date: 2026-01-09
Last updated on: 2026-01-09
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| raul_alvarez | curved_text | to 0.1 (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 Curved Text plugin for WordPress. It occurs via the 'radius' parameter of the arctext shortcode in all versions up to and including 0.1. 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? :
This vulnerability can allow attackers with Contributor-level access to inject malicious scripts into WordPress pages. These scripts can execute in the browsers of users who visit the affected pages, potentially leading to theft of user credentials, session hijacking, defacement, or distribution of malware. It compromises the integrity and security of the website and its users.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
You can detect this vulnerability by searching for usage of the [arctext] shortcode with the 'radius' parameter in your WordPress content or database. Since the vulnerability involves stored Cross-Site Scripting via the 'radius' parameter, look for suspicious or unexpected script tags or JavaScript code injected in the 'radius' attribute values. For example, you can run a database query to find posts containing the shortcode with suspicious radius values. A sample MySQL command to find such entries might be: SELECT ID, post_content FROM wp_posts WHERE post_content LIKE '%[arctext%radius=%'; Additionally, monitoring HTTP requests and responses for injected scripts in pages using this shortcode can help detect exploitation attempts. [2]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include: 1) Restrict Contributor-level and above users from using the [arctext] shortcode until a patch is applied. 2) Remove or sanitize any existing instances of the shortcode with unsafe 'radius' parameter values in your content. 3) Update or disable the Curved Text plugin if an updated, patched version is available. 4) Implement additional input validation and output escaping for the 'radius' parameter in the shortcode handler to prevent script injection. 5) Monitor your site for suspicious activity related to this shortcode. [2]