XSS in Laravel Livewire

CVE-2024-21504

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 craf…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (40.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21504?
CVE-2024-21504 is a medium-severity vulnerability in Laravel Livewire, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-03-19.
How severe is CVE-2024-21504?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2024-21504 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.