jquery-validation up to 1.19.x showLabel cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in jquery-validation up to 1.19.x. This affects the function showLabel. The manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2025-3573. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in jquery-validation up to 1.19.x. This issue affects the function showLabel. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Versions of the package jquery-validation before 1.20.0 are vulnerable to Cross-site Scripting (XSS) in the showLabel() function, which may take input from a user-controlled placeholder value. This value will populate a message via $.validator.messages in a user localizable dictionary.

The advisory is shared at security.snyk.io. The identification of this vulnerability is CVE-2025-3573 since 04/14/2025. 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. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 257978 (Linux Distros Unpatched Vulnerability : CVE-2025-3573), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.20.0 eliminates this vulnerability. Applying the patch 7a490d8f39bd988027568ddcf51755e1f4688902 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (257978). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• JavaScript Library

Name

• jquery-validation

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19

License

• open-source

Website

• Product: https://github.com/jquery-validation/jquery-validation/

CPE 2.3info

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CPE 2.2info

• 🔍
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Timelineinfo

Sourcesinfo

Entryinfo

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

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