CVE-2023-5770 — HTML injection in email body through email subject

Description (CNA)

Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject. The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.

Affected (CNA)

Vendor / product	Versions
Proofpoint / Proofpoint Enterprise Protection	affected 8.20.2 before patch 4809; affected 8.20.0 before patch 4805; affected 8.18.6 before patch 4804; affected 8.0 before 8.18.6

CWE

CWE-838

References

https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0009

ADP enrichment

CVE

No English description supplied.

https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0009

CISA-ADP

No English description supplied.

No references supplied.