SB2026101955 - Cross-site scripting in Laravel Framework
Published: October 19, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Cross-site scripting (CVE-ID: CVE-2026-102279)
CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSSv4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
The vulnerability allows a remote attacker to execute arbitrary JavaScript in a victim's browser through DOM-based cross-site scripting.
The vulnerability exists due to improper neutralization of attacker-controlled HTML in Laravel Framework's debug page information tooltips when rendering input through Tippy.js with allowHTML: true. A remote attacker can inject malicious tooltip content to execute JavaScript when a victim hovers over the affected tooltip.
Exploitation requires APP_DEBUG=true.
Remediation
Install update from vendor's website.