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TI-2022-02171 Aliases CVE-2022-2352GHSA-6g4h-jgh3-vxwj

Post SMTP < 2.1.7 - Admin+ Blind SSRF

Priority HIGH 65CWE-918Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

The Post SMTP Mailer/Email Log WordPress plugin before 2.1.7 does not have proper authorisation in some AJAX actions, which could allow high privilege users such as admin to perform blind SSRF on multisite installations for example.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01376 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Post SMTP Mailer/Email Log (Unknown): 2.1.7

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 Mailer/Email Log2.1.7 to before 2.1.72.1.7Patch availableCNA
  • Post SMTP Mailer/Email Log VendorUnknown Affected 2.1.7 to before 2.1.7 Fixed in 2.1.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wpexperts:post_smtp:*:*:*:*:*:wordpress:*:*before 2.1.7VulnerableWPExperts
  • cpe:2.3:a:wpexperts:post_smtp:*:*:*:*:*:wordpress:*:* Versions before 2.1.7 Vulnerable ·WPExperts

Remediation

  • Fix · CNA Post SMTP Mailer/Email Log (Unknown) Fixed in 2.1.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-2352
  2. 2026-10-03 Alias added: GHSA-6g4h-jgh3-vxwj

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-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
  • 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