CVE-2026-2345
3.6
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Summary
Proctorio Chrome Extension is a browser extension used for online proctoring. The extension contains multiple window.addEventListener('message', …) handlers that do not properly validate the origin of incoming messages. Specifically, an internal messaging bridge processes messages based solely on the presence of a fromWebsite property without verifying the event.origin attribute.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Proctorio | Secure Exam Proctor Extension | 1.5.25220.33 | affected |
| Proctorio | Secure Exam Proctor Extension | 1.5.25220.36 | unaffected |
Weaknesses
- CWE-346: CWE-346 Origin Validation Error
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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