#VU72259 Prototype pollution in Mozilla Firefox - CVE-2023-25731

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Main Vulnerability Database Vulnerabilities #VU72259

#VU72259 Prototype pollution in Mozilla Firefox - CVE-2023-25731

Published: February 15, 2023


Vulnerability identifier: #VU72259
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-25731
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mozilla Firefox
Software vendor:
Mozilla

Description

The vulnerability allows a remote attacker to execute arbitrary JavaScrpit code on the target system.

The vulnerability exists due to URL previews in the network panel of developer tools improperly store URLs. A remote attacker can use query parameters to overwrite global objects in privileged code when rendering URLPreview and perform prototype pollution.


Remediation

Install updates from vendor's website.

External links