CVE-2026-3997
Stored XSS in WordPress Text Toggle Plugin via Unsanitized Title Attribute
Publication date: 2026-03-21
Last updated on: 2026-03-21
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| terry_obrien | text_toggle | to 1.1 (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?
The Text Toggle plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in the 'title' shortcode attribute of the [tt_part] and [tt] shortcodes in all versions up to 1.1.
This vulnerability exists because the 'title' attribute is taken from user input and inserted directly into HTML output without proper sanitization or escaping.
An attacker with Contributor-level access or higher can inject malicious scripts by including special characters in the 'title' attribute, which can break out of the HTML attribute context and add arbitrary HTML or event handlers.
These injected scripts will execute whenever a user views the affected page, potentially compromising user security.
How can this vulnerability impact me? :
This vulnerability allows an attacker with Contributor-level access or above to inject malicious scripts into pages viewed by other users.
The impact includes the potential for theft of user credentials, session hijacking, defacement of the website, or execution of unauthorized actions on behalf of users.
Because the vulnerability is a Stored Cross-Site Scripting issue, the malicious code persists on the site and affects all users who access the compromised content.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know