What is CVE-2026-103309?

CVE-2026-103309 is a high-severity vulnerability in Gptranslate, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2026-10-08.

How severe is CVE-2026-103309?

High severity. CVSS v3 base score is 7.5 out of 10.

XSS in Gptranslate

CVE-2026-103309

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-08 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Gptranslate

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/e791e349-932b-4e59-bacb-a49b57343cf3/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-103309?: CVE-2026-103309 is a high-severity vulnerability in Gptranslate, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2026-10-08.
How severe is CVE-2026-103309?: High severity. CVSS v3 base score is 7.5 out of 10.