CVE-2026-15066
Loco Translate <= 2.8.7 - Authenticated (Translator+) Stored Cross-Site Scripting via PO File Extracted Comments
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
6.4
Loco Translate <= 2.8.7 - Authenticated (Translator+) Stored Cross-Site Scripting via PO File Extracted Comments
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.
- Record
CVE-2026-15066- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-59864
6.4
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.
- Record
EUVD-2026-59864- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2cg4-q2f7-q8x7
6.4
The Loco Translate plugin for WordPress is vulnerable to Stored Cross-Site Scripting via PO File...
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.
- Record
GHSA-2cg4-q2f7-q8x7- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
6.4
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.
- Record
CVE-2026-15066- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-15066 is a medium vulnerability (CVSS 6.4) in Timwhitlock Loco Translate, published August 16, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/9571a2f3-d148-4e9b-8837-b8d212418613?source=cve
plugins.trac.wordpress.org/browser/loco-translate/tags/2.8.5/pub/js/min/admin.js
plugins.trac.wordpress.org/browser/loco-translate/tags/2.8.5/src/ajax/SaveController.php
plugins.trac.wordpress.org/browser/loco-translate/tags/2.8.4/pub/js/min/admin.js
plugins.trac.wordpress.org/browser/loco-translate/tags/2.8.4/src/ajax/SaveController.php
plugins.trac.wordpress.org/changeset?reponame=&old=3631056%40loco-translate&new=3631056%40loco-translate
nvd.nist.gov/vuln/detail/CVE-2026-15066
github.com/advisories/GHSA-2cg4-q2f7-q8x7