What is CVE-2026-23839?

CVE-2026-23839 is a critical-severity vulnerability in Leepeuker Movary, classified under Improper Input Validation. CVSS score: 9.3/10. Published 2026-01-19.

How severe is CVE-2026-23839?

Critical severity. CVSS v3 base score is 9.3 out of 10.

XSS in Leepeuker Movary

CVE-2026-23839

Movary is a web application to track, rate and explore your movie watch history. Due to insufficient input validation, attackers can trigger cross-site scripting payloads in versions prior to 0.70.0. The vulnerable parameter is `?categoryU…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (35.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Leepeuker Movary — versions < 0.70.0

Weakness classification (CWE)

References

https://github.com/leepeuker/movary/security/advisories/GHSA-v32w-5qx7-p3vq (x_refsource_CONFIRM)
https://github.com/leepeuker/movary/blob/main/public/js/settings-account-location.js#L237 (x_refsource_MISC)
https://github.com/leepeuker/movary/releases/tag/0.70.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-23839?: CVE-2026-23839 is a critical-severity vulnerability in Leepeuker Movary, classified under Improper Input Validation. CVSS score: 9.3/10. Published 2026-01-19.
How severe is CVE-2026-23839?: Critical severity. CVSS v3 base score is 9.3 out of 10.