CVE-2026-3142
Stored XSS in Pinterest Site Verification WordPress Plugin Allows Script Injection
Publication date: 2026-04-08
Last updated on: 2026-04-08
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| site_verification_plugin | to 1.8 (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 Pinterest Site Verification plugin using Meta Tag plugin for WordPress has a Stored Cross-Site Scripting (XSS) vulnerability in versions up to and including 1.8. This vulnerability arises because the plugin does not properly sanitize or escape input provided via the 'post_var' parameter.
As a result, authenticated users with subscriber-level access or higher can inject malicious web scripts into pages. These scripts will execute whenever any user accesses the infected page.
How can this vulnerability impact me? :
This vulnerability can allow attackers with subscriber-level access to inject arbitrary scripts into the website. These scripts can execute in the context of other users visiting the affected pages.
- Stealing user session cookies or credentials.
- Performing actions on behalf of other users without their consent.
- Defacing the website or redirecting users to malicious sites.
- Compromising user trust and website integrity.