Medium severity · published Jan 19, 2026
CVE-2026-23839
Movary vulnerable to Cross-site Scripting with `?categoryUpdated=` param
6.1
CVSS
0.3%
EPSS
No
On KEV
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 `?categoryUpdated=`. Version 0.70.0 fixes the issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
movary · leepeuker
< 0.70.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-23839
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-23839
Product
https://github.com/leepeuker/movary/blob/main/public/js/settings-account-location.js#L237
Release Notes
https://github.com/leepeuker/movary/releases/tag/0.70.0
Exploit
https://github.com/leepeuker/movary/security/advisories/GHSA-v32w-5qx7-p3vq
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