CVE-2022-26485 is a critical use-after-free vulnerability in Mozilla Firefox, Firefox ESR, Firefox for Android, Thunderbird, and Focus, stemming from the improper removal of an XSLT parameter during processing. This flaw carries a high CVSS score of 8.8, indicating a network-based attack with low complexity, requiring user interaction, and potentially leading to complete compromise of confidentiality, integrity, and availability. The vulnerability is actively exploited in the wild, as confirmed by its presence in CISA's KEV catalog, and has garnered significant community discussion and media coverage, despite a lack of public exploit code.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 91.6.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* | ||
< 97.0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* | ||
< 97.3.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:* | ||
< 97.3.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:*:*:* | ||
< 91.6.2CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.