CVE-2026-23840

Movary vulnerable to Cross-site Scripting with `?categoryDeleted=` param

9.3 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.29%Up 0.2 points since Jan 20, 2026

What each source reports

CVE List Score used 9.3

Movary vulnerable to Cross-site Scripting with `?categoryDeleted=` param

Record: CVE-2026-23840
CVSS 3.1: 9.3 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Weakness: CWE-20, CWE-79
Updated: 2026-11-02

EUVDEUVD-2026-3301 9.3

Record: EUVD-2026-3301
CVSS 3.1: 9.3 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Updated: 2026-11-02

NVD 9.3

Record: CVE-2026-23840
CVSS 3.1: 9.3 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-20, CWE-79
Updated: 2026-11-02

OSV 9.3

Movary vulnerable to Cross-site Scripting with `?categoryDeleted=` param

Record: CVE-2026-23840
CVSS 3.1: 9.3 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Weakness: CWE-20, CWE-79
Updated: 2026-11-02

Affected products

leepeuker movary

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-23840 is a critical vulnerability (CVSS 9.3) in Leepeuker Movary, published January 19, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. No source names a fixed version.