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Medium severity6.1NVD Advisory· Published Nov 6, 2023· Updated Jun 17, 2026

CVE-2023-5771

CVE-2023-5771

Description

Proofpoint Enterprise Protection contains a stored XSS vulnerability in the AdminUI. An unauthenticated attacker can send a specially crafted email with HTML in the subject which triggers XSS when viewing quarantined messages.  This issue affects Proofpoint Enterprise Protection: from 8.20.0 before patch 4796, from 8.18.6 before patch 4795 and all other prior versions.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Proofpoint/Enterprise Protectionllm-fuzzy2 versions
    from 8.20.0 before patch 4796, from 8.18.6 before patch 4795 and all other prior versions+ 1 more
    • (no CPE)range: from 8.20.0 before patch 4796, from 8.18.6 before patch 4795 and all other prior versions
    • (no CPE)range: 8.20.0

Patches

Vulnerability mechanics

References

1

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