CVE-2023-5771 is a stored Cross-Site Scripting (XSS) vulnerability in the AdminUI of Proofpoint Enterprise Protection, affecting versions prior to specific patches for 8.20.0 and 8.18.6, as well as all earlier versions. An unauthenticated attacker can trigger this by sending a specially crafted email with HTML in the subject, which executes when a quarantined message is viewed. This vulnerability has a CVSS score of 6.1 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in the CISA KEV catalog, though it has received minimal community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 8.18.6CPE matchmatch criteria | cpe:2.3:a:proofpoint:enterprise_protection:*:*:*:*:*:*:*:* | ||
8.18.6CPE matchmatch criteria | cpe:2.3:a:proofpoint:enterprise_protection:8.18.6:-:*:*:*:*:*:* | ||
8.20.0CPE matchmatch criteria | cpe:2.3:a:proofpoint:enterprise_protection:8.20.0:-:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.
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.