XSS in Jetengine
CVE-2026-18202
The JetEngine WordPress plugin before 3.8.14 adds SVG to the site-wide list of allowed upload types without sanitising the file contents, allowing users with the upload files capability, such as Authors, to upload a file containing malicious JavaScript that executes in the browser of any user who opens it (Stored Cross-Site Scripting). On multisite, this also overrides an upload-type restriction set by the network administrator.
Vulnerability class: XSS (Cross-Site Scripting)
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Unknown Jetengine
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-18202?
- CVE-2026-18202 is a medium-severity vulnerability in Jetengine, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-08-19.
- How severe is CVE-2026-18202?
- Medium severity. CVSS v3 base score is 6.8 out of 10.