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TI-2023-02977 Aliases CVE-2023-3178GHSA-vv37-8w95-rgj3

POST SMTP Mailer < 2.5.7 - Arbitrary Log Deletion via CSRF

Priority MEDIUM 53CWE-352Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Tampering
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-352.

Summary

The POST SMTP Mailer WordPress plugin before 2.5.7 does not have proper CSRF checks in some AJAX actions, which could allow attackers to make logged in users with the manage_postman_smtp capability delete arbitrary logs via a CSRF attack.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00266 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed POST SMTP Mailer (Unknown): 2.5.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
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
UnknownPOST SMTP Mailer2.5.0 to before 2.5.72.5.7Patch availableCNA
  • POST SMTP Mailer VendorUnknown Affected 2.5.0 to before 2.5.7 Fixed in 2.5.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wpexperts:post_smtp:*:*:*:*:*:wordpress:*:*before 2.5.7VulnerableWPExperts
  • cpe:2.3:a:wpexperts:post_smtp:*:*:*:*:*:wordpress:*:* Versions before 2.5.7 Vulnerable ·WPExperts

Remediation

  • Fix · CNA POST SMTP Mailer (Unknown) Fixed in 2.5.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3178
  2. 2026-10-03 Alias added: GHSA-vv37-8w95-rgj3

References

Exploit 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-2023-28661 WordPress POST SMTP Mailer plugin <= 2.8.6 - Broken Access Control on API vulnerability CVSS 3.1CRITICAL 9.8
See all 18 →

Sources

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