CVE-2026-23840: Movary vulnerable to Cross-site Scripting with `?categoryDeleted=` param

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-19 · updated 2026-06-17
Weakness: CWE-20

Description

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 `?categoryDeleted=`. Version 0.70.0 fixes the issue.

Affected products

leepeuker movary: before 0.70.0 — fixed in 0.70.0

How to fix

Upgrade to a fixed version: leepeuker movary 0.70.0. Check the vendor advisory for mitigations.

References

https://github.com/leepeuker/movary/blob/main/public/js/settings-account-location.js#L204
https://github.com/leepeuker/movary/releases/tag/0.70.0
https://github.com/leepeuker/movary/security/advisories/GHSA-pj3m-gmq8-2r57

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