CVE-2026-2345 describes an origin validation vulnerability within the Proctorio Chrome Extension. The extension's internal messaging bridge fails to properly validate the origin of incoming messages, processing them based solely on a "fromWebsite" property without verifying the event.origin attribute. This vulnerability has a CVSS score of 3.6 (LOW), indicating a local attack vector with high attack complexity, requiring user interaction, and potentially leading to low confidentiality and integrity impacts. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Proctorio | Secure Exam Proctor Extension | 1.5.25220.33CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 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.