CVE-2025-71278 is a high-severity vulnerability impacting XenForo versions prior to 2.3.5, allowing OAuth2 client applications to request and potentially gain unauthorized scopes, thereby exceeding their intended access. Rated 8.8 CVSS, this flaw has a network attack vector, low attack complexity, and requires low privileges, leading to high impacts on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered limited attention within security communities.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.3.0, < 2.3.5CPE match | 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:N/VC:H/VI:H/VA:H/SC:N/SI:N/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, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.