leepeuker movary up to 0.69.x categoryDeleted input validation

Summaryinfo

A vulnerability was found in leepeuker movary up to 0.69.x. It has been rated as critical. This issue affects some unknown processing. The manipulation of the argument categoryDeleted leads to input validation. This vulnerability is listed as CVE-2026-23840. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in leepeuker movary up to 0.69.x. It has been rated as critical. This issue affects an unknown function. The manipulation of the argument categoryDeleted with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-23840 since 01/16/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 0.70.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-3301). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• leepeuker

Name

• movary

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.31
• 0.32
• 0.33
• 0.34
• 0.35
• 0.36
• 0.37
• 0.38
• 0.39
• 0.40
• 0.41
• 0.42
• 0.43
• 0.44
• 0.45
• 0.46
• 0.47
• 0.48
• 0.49
• 0.50
• 0.51
• 0.52
• 0.53
• 0.54
• 0.55
• 0.56
• 0.57
• 0.58
• 0.59
• 0.60
• 0.61
• 0.62
• 0.63
• 0.64
• 0.65
• 0.66
• 0.67
• 0.68
• 0.69

Website

• Product: https://github.com/leepeuker/movary/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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