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TI-2023-28661 Aliases CVE-2023-52233GHSA-6vjr-4r2m-7pgg

WordPress POST SMTP Mailer plugin <= 2.8.6 - Broken Access Control on API vulnerability

Priority MEDIUM 48CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.

Summary

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 it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00367 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Post SMTPPost SMTP Mailer/Email Logup to 2.8.6—No fix listedCNA
  • Post SMTP Mailer/Email Log VendorPost SMTP Affected up to 2.8.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wpexperts:post_smtp:*:*:*:*:*:wordpress:*:*before 2.8.7VulnerableWPExperts
  • cpe:2.3:a:wpexperts:post_smtp:*:*:*:*:*:wordpress:*:* Versions before 2.8.7 Vulnerable ·WPExperts

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-52233
  2. 2026-10-03 Alias added: GHSA-6vjr-4r2m-7pgg

References

Advisory 1

  • TI-2023-06280 Authorization bypass in saadiqbal Post SMTP – Complete Email Deliverability and SMTP… CVSS 3.1CRITICAL 9.8
  • TI-2023-02978 POST SMTP Mailer < 2.5.7 - Account Takeover via CSRF CVSS 3.1HIGH 8.8
  • TI-2023-06067 Post SMTP < 2.8.7 - Admin+ SQL Injection CVSS 3.1HIGH 7.2
  • TI-2022-02171 Post SMTP < 2.1.7 - Admin+ Blind SSRF CVSS 3.1HIGH 7.2
  • TI-2023-06068 Post SMTP < 2.8.7 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
  • TI-2023-02977 POST SMTP Mailer < 2.5.7 - Arbitrary Log Deletion via CSRF CVSS 3.1MEDIUM 4.3
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences