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CVE-2026-9109

7.2 · HIGH

The GPTranslate – Multilingual AI Translation for WordPress: Automatically Translate Websites plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REST API Translation Storage in a…

Published Jun 13, 2026CWE-79EPSS 0.51%

Overview

CVE-2026-9109 is a high-severity vulnerability. It was published on June 13, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The GPTranslate – Multilingual AI Translation for WordPress: Automatically Translate Websites plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REST API Translation Storage in all versions up to, and including, 2.31 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The deterministically derived API key (sha256 of the site URL) is printed in the HTML source of every page via the JavaScript variable gptApiKey, meaning any unauthenticated visitor can retrieve the key and submit malicious translation payloads to the /wp-json/gptranslate/v1/request endpoint without any additional precondition.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/gptranslate/tags/2.27.5/assets/js/admin.js#L1Refplugins.trac.wordpress.org/browser/gptranslate/tags/2.27.5/gptranslate.php#L1134Refplugins.trac.wordpress.org/browser/gptranslate/tags/2.27.5/gptranslate.php#L3578Refplugins.trac.wordpress.org/browser/gptranslate/tags/2.27.5/gptranslate.php#L3654Refplugins.trac.wordpress.org/browser/gptranslate/tags/2.31/assets/js/admin.js#L1Refplugins.trac.wordpress.org/browser/gptranslate/tags/2.31/gptranslate.php#L1134Refplugins.trac.wordpress.org/browser/gptranslate/tags/2.31/gptranslate.php#L3578Refplugins.trac.wordpress.org/browser/gptranslate/tags/2.31/gptranslate.php#L3654Refplugins.trac.wordpress.org/browser/gptranslate/tags/2.32/assets/js/admin.js#L1Refplugins.trac.wordpress.org/browser/gptranslate/tags/2.32/gptranslate.php#L1104

How CyberStrike helps

Frequently asked questions

What is CVE-2026-9109?

CVE-2026-9109 is a high-severity vulnerability. It was published on June 13, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2026-9109?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-9109?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-9109?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-9109 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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