CVE-2026-15066
Received Received - Intake

Stored XSS in Loco Translate WordPress Plugin

Publication date: 2026-08-16

Last updated on: 2026-08-16

Assigner: Wordfence

Description
The Loco Translate plugin for WordPress is vulnerable to Stored Cross-Site Scripting via PO File Extracted Comments in all versions up to, and including, 2.8.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with translator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Meta Information

Published
2026-08-16
Last Modified
2026-08-16
Generated
2026-08-16
AI Q&A
2026-08-16
EPSS Evaluated
N/A
NVD
CVE-2026-15066
EUVD
EUVD-2026-59864

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
loco_translate plugin to 2.8.7 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

The Loco Translate WordPress plugin up to version 2.8.7 has a stored cross-site scripting vulnerability. It occurs because user input in PO file extracted comments is not properly sanitized before being stored and later displayed. Authenticated attackers with translator-level access or higher can inject malicious scripts into pages.

Detection Guidance

This vulnerability requires authenticated access with translator-level permissions or higher. Detection involves checking for unauthorized PO file comments containing malicious scripts in the Loco Translate plugin. Review plugin files for suspicious JavaScript injections in extracted comments. No direct commands are provided in the context.

Impact Analysis

If you use the affected Loco Translate plugin, attackers could inject scripts that run when users visit your WordPress site. This could lead to theft of user sessions, defacement of pages, or delivery of malware to visitors. The impact depends on the attacker's goals and the site's user base.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations may face compliance violations if user data is compromised through this exploit.

Mitigation Strategies

Update the Loco Translate plugin to the latest version beyond 2.8.7 to patch the vulnerability. Remove any unauthorized translator-level accounts and review PO files for suspicious injected scripts.

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