CVE-2023-52233: Missing Authorization vulnerability in Post SMTP Post SMTP Mailer/Email Log.This issue affects Post SMTP Maile

Q: How do I fix CVE-2023-52233?

post smtp: upgrade to 2.8.7. Exact commands for each OS are on this page.

Q: Is CVE-2023-52233 being exploited?

CVE-2023-52233 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-52233 affect?

CVE-2023-52233 affects post smtp. Severity is high (CVSS 8.6). Missing Authorization vulnerability in Post SMTP Post SMTP Mailer/Email Log.This issue affects Post SMTP Mailer/Email Log: from n/a through 2.8.6.

Q: How urgent is CVE-2023-52233?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.6REMOTEUPGRADE

CVE-2023-52233 is a high-severity flaw (CVSS 8.6) affecting post smtp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Missing Authorization vulnerability in Post SMTP Post SMTP Mailer/Email Log.This issue affects Post SMTP Mailer/Email Log: from n/a through 2.8.6.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-862
Published	2024-06-11
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: wpexperts

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-06-11 16:15 UTCPublished CVE record published
2026-06-17 06:42 UTCUpdated Record last modified

wpexperts post smtp UPGRADE

Affected: < 2.8.7

Fixed in: 2.8.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy post-smtp || rpm -q post-smtp || post-smtp --version

2. UPGRADE to 2.8.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade post-smtp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade post-smtp

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-52233?

post smtp: upgrade to 2.8.7. Exact commands for each OS are on this page.

Is CVE-2023-52233 being exploited?

CVE-2023-52233 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-52233 affect?

CVE-2023-52233 affects post smtp. Severity is high (CVSS 8.6). Missing Authorization vulnerability in Post SMTP Post SMTP Mailer/Email Log.This issue affects Post SMTP Mailer/Email Log: from n/a through 2.8.6.

How urgent is CVE-2023-52233?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-22800 MEDIUM 4.3 UPGRADE Missing Authorization vulnerability in Saad Iqbal Post SMTP post-smtp allows Exploiting Incorrectly Configured
CVE-2025-0521 HIGH 7.2 UPGRADE The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the from and subject param
CVE-2024-5207 HIGH 7.2 UPGRADE The POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications pl
CVE-2024-52436 HIGH 7.6 UPGRADE Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Saad Iqb
CVE-2024-29128 HIGH 7.1 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Post SMT

References

← Back to latest CVEs