CVE-2026-103309 GPTranslate < 2.34.14 - Unauthenticated Stored XSS via REST API Translation Storage
Unauthenticated attackers can inject malicious scripts via the REST API when server-side translations are enabled, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-103309?
CVE-2026-103309 is a high-severity cross-site scripting vulnerability in Unknown GPTranslate, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The GPTranslate WordPress plugin before 2.34.14 does not properly restrict who can store translations, and does not escape them when outputting them in translated pages, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks when server-side translations are enabled.
Weakness: CWE-79
Which versions are affected by CVE-2026-103309?
How do I fix CVE-2026-103309?
No fix has been published for CVE-2026-103309 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-103309 being exploited?
There is no known exploitation of CVE-2026-103309 in the wild and no public exploit code.
Sources
Also known as GHSA-5r7v-q722-2v82.