CVE-2024-21504

Name: CVE-2024-21504
Creator: NVD / NIST
Published: 2024-03-19T05:15:09.813+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2024-21504 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Versions of the package livewire/livewire from 3.3.5 and before 3.4.9 are vulnerable to Cross-site Scripting (XSS) when a page uses [Url] for a property. An attacker can inject HTML code in the context of the user's browser session by crafting a malicious link and convincing the user to click on it.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

Versions of the package livewire/livewire from 3.3.5 and before 3.4.9 are vulnerable to Cross-site Scripting (XSS) when a page uses [Url] for a property. An attacker can inject HTML code in the context of the user's browser session by crafting a malicious link and convincing the user to click on it.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.52%

39.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Laravel	Livewire	>= 3.3.5, <= 3.4.9

References

https://github.com/livewire/livewire/commit/c65b3f0798ab2c9338213ede3588c3cdf4e6fcc0Patch
https://github.com/livewire/livewire/pull/8117Issue Tracking, Patch
https://github.com/livewire/livewire/releases/tag/v3.4.9Release Notes
https://security.snyk.io/vuln/SNYK-PHP-LIVEWIRELIVEWIRE-6446222Exploit, Third Party Advisory
https://github.com/livewire/livewire/commit/c65b3f0798ab2c9338213ede3588c3cdf4e6fcc0Patch
https://github.com/livewire/livewire/pull/8117Issue Tracking, Patch
https://github.com/livewire/livewire/releases/tag/v3.4.9Release Notes
https://security.snyk.io/vuln/SNYK-PHP-LIVEWIRELIVEWIRE-6446222Exploit, Third Party Advisory

Timeline

Published: Mar 19, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-21504?

How severe is CVE-2024-21504?

CVE-2024-21504 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21504?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21504?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST