Is CVE-2025-3573 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2025-3573 being exploited in the wild.

How severe is CVE-2025-3573?

Low severity, with a CVSS score of 3.1, published 15 April 2025.

Which products and versions are affected?

jquery-validation (npm) SEMVER:introduced=0,fixed=1.20.0.

Is there a fix for CVE-2025-3573?

Yes. jquery-validation (npm): upgrade to 1.20.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2025-3573 attacked?

It is attacked over the network.

Am I affected by CVE-2025-3573?

Check whether you run jquery-validation (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2025-3573: jquery-validation cross-site scripting in showLabel

CVE-2025-3573 · Severity: low · CVSS 3.1 · Published 2025-04-15

jquery-validation is a popular JavaScript library used to validate form input on websites. A cross-site scripting (XSS) vulnerability in the showLabel() function allows attackers to inject malicious scripts into error messages when validation fails, potentially stealing user credentials or performing unauthorized actions on behalf of users.

Technologies: jquery-validation (npm). Vendors: npm.

Quick answers

Is CVE-2025-3573 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2025-3573 being exploited in the wild.
How severe is CVE-2025-3573?: Low severity, with a CVSS score of 3.1, published 15 April 2025.
Which products and versions are affected?: jquery-validation (npm) SEMVER:introduced=0,fixed=1.20.0.
Is there a fix for CVE-2025-3573?: Yes. jquery-validation (npm): upgrade to 1.20.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2025-3573 attacked?: It is attacked over the network.
Am I affected by CVE-2025-3573?: Check whether you run jquery-validation (npm) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

jquery-validation (npm): upgrade to 1.20.0 or later
```
npm install jquery-validation@1.20.0
```

Technical details

The vulnerability is a classic cross-site scripting (CWE-79) flaw in the showLabel() function, which uses .html() to inject validation error messages into the DOM. User-controlled data—such as placeholder values or translation strings from a user-localizable dictionary—can contain unescaped HTML/JavaScript that will be executed in the victim's browser. Exploitation requires user interaction (user must trigger form validation), but no authentication is needed. An attacker can craft a malicious form or intercept/modify validation messages to execute arbitrary JavaScript in the context of the vulnerable website. The fix, introduced in version 1.20.0, adds an escapeHtml option to sanitize message content before rendering.

Affected products

jquery-validation jquery-validation before 1.20.0

Identifiers

CVE-2025-3573
GHSA-rrj2-ph5q-jxw2

Timeline

2025-04-15: disclosed: Vulnerability published to GitHub Advisory Database and NVD
2025-04-15: patched: Fix released in version 1.20.0 with escapeHtml option
2023-02-01: other: Fix PR merged into master branch

References

https://github.com/jquery-validation/jquery-validation/pull/2462

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