CVE-2023-5770
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
HTML injection in email body through email subject
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Proofpoint Enterprise Protection
- Vendor
- Proofpoint
- Product
- Proofpoint Enterprise Protection
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 8.20.2 | affected | semver | patch 4809 | Unavailable |
|
| 8.20.0 | affected | semver | patch 4805 | Unavailable |
|
| 8.18.6 | affected | semver | patch 4804 | Unavailable |
|
| 8.0 | affected | semver | 8.18.6 | Unavailable | None listed |