CVE-2026-35054 is a stored Cross-Site Scripting (XSS) vulnerability impacting XenForo versions prior to 2.3.9. An attacker with low privileges can inject malicious scripts through BB code, which are then stored and executed in other users' browsers when they view the affected content. Rated as Medium severity with a CVSS score of 6.4, this vulnerability has a low attack complexity and can lead to low impacts on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.3.0, < 2.3.9CPE match | cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:* | ||
< 2.3.9CPE matchmatch criteria | cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.