CVE-2025-9485 is a critical vulnerability affecting the OAuth Single Sign On – SSO (OAuth Client) plugin for WordPress, specifically versions up to and including 6.26.12. The flaw, categorized as Improper Verification of Cryptographic Signature (CWE-347), stems from the plugin's failure to properly validate JWT tokens, allowing unauthenticated attackers to bypass authentication. This enables unauthorized access to existing user accounts, including administrative accounts in some configurations, or the creation of arbitrary subscriber accounts. Rated 9.8 CRITICAL on the CVSS scale, this vulnerability has a low attack complexity and requires no user interaction, leading to potential complete compromise of confidentiality, integrity, and availability. While not currently listed on CISA's KEV or having public exploit code (Metasploit, Nuclei, ExploitDB), there is community discussion indicating awareness of the issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Cyberlord92 | OAuth Single Sign On – SSO (OAuth Client) | >= 0, <= 6.26.12CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/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.