CVE-2018-12292

CRITICAL

Pale Moon < 27.9.3 - Use-After-Free in DOMProxyHandler

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-12292. PoCs published by Berk Cem Göksel.

AI-analyzed exploit summary This PoC exploits a use-after-free vulnerability in Pale Moon Browser versions prior to 27.9.3. The exploit triggers the vulnerability by manipulating distributed nodes in a content element, leading to potential remote code execution.

Description

A use-after-free vulnerability exists in DOMProxyHandler::EnsureExpandoObject in Pale Moon before 27.9.3.

Exploits (1)

exploitdb WORKING POC
by Berk Cem Göksel · textlocalwindows
https://www.exploit-db.com/exploits/44900

This PoC exploits a use-after-free vulnerability in Pale Moon Browser versions prior to 27.9.3. The exploit triggers the vulnerability by manipulating distributed nodes in a content element, leading to potential remote code execution.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Pale Moon Browser < 27.9.3
No auth needed
Prerequisites: Target must be using a vulnerable version of Pale Moon Browser · Target must visit a malicious webpage hosting the exploit
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44900/
Vendor Advisory x_refsource_confirm
https://www.palemoon.org/releasenotes.shtml

Scores

CVSS v3 9.8
EPSS 0.0918
EPSS Percentile 94.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (1)
palemoon/pale_moon < 27.9.3
Published Jun 13, 2018
Tracked Since Feb 18, 2026