CVE-2026-121765: Cozmoslabs TranslatePress multilingual stored XSS

CVE-2026-121765 · Severity: high · CVSS 7.1 · Published 2026-11-07

TranslatePress is a WordPress plugin that enables website translation into multiple languages. An unauthenticated attacker can inject malicious scripts into the site through a stored cross-site scripting (XSS) vulnerability, allowing them to steal visitor data, hijack accounts, or redirect users to malicious sites. Websites using the vulnerable plugin versions expose all visitors to potential account compromise and data theft.

Vendors: Cozmoslabs.

Quick answers

Is CVE-2026-121765 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-121765 being exploited in the wild.
How severe is CVE-2026-121765?
High severity, with a CVSS score of 7.1, published 7 November 2026.
Which products and versions are affected?
Cozmoslabs TranslatePress multilingual up to 3.3.8.
Is there a fix for CVE-2026-121765?
Yes: fixed in 3.3.9. Until then: Update to version 3.3.9 or later immediately. If unable to update, use Patchstack or similar security solutions to block exploitation attempts until patching is complete. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-121765 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-121765?
Check whether you run Cozmoslabs TranslatePress multilingual at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 3.3.9

Update to version 3.3.9 or later immediately. If unable to update, use Patchstack or similar security solutions to block exploitation attempts until patching is complete.

Technical details

This is a stored XSS vulnerability in the TranslatePress multilingual WordPress plugin affecting versions up to 3.3.8. The vulnerability requires user interaction from a privileged user (such as clicking a malicious link or visiting a crafted page), but once injected, the malicious script persists in the database and affects all subsequent visitors. Attackers can steal session cookies, hijack accounts, or perform actions on behalf of site visitors.

Affected products

  • Cozmoslabs TranslatePress multilingual up to 3.3.8

Timeline

  • 2026-11-07: disclosed
  • 2026-11-07: patched: Version 3.3.9 released

References

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