CVE-2018-12292 is a critical use-after-free vulnerability affecting Pale Moon browser versions prior to 27.9.3, specifically within the DOMProxyHandler::EnsureExpandoObject function. With a CVSS score of 9.8, it presents a severe risk, allowing for remote code execution with high impact on confidentiality, integrity, and availability, requiring no user interaction or privileges. While not listed in CISA's KEV catalog, a proof-of-concept exploit is publicly available on ExploitDB, indicating potential for exploitation. Despite its severity, there is no evidence of active exploitation, nor significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 27.9.3CPE matchmatch criteria | cpe:2.3:a:palemoon:pale_moon:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.