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CVE-2023-6620

Post SMTP < 2.8.7 - Admin+ SQL Injection

Published: Jan 15, 2024Updated: Jun 20, 2025 Sources: CVE List NVDCWE-89
NVD MITRE
7.2CVSSHIGH
EPSS Score
14.2%
Top 3.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available
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Description

The POST SMTP Mailer WordPress plugin before 2.8.7 does not properly sanitise and escape several parameters before using them in SQL statements, leading to a SQL injection exploitable by high privilege users such as admin.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-89

Affected Products

post smtpwpexperts
On-prem
Web & CMS Plugins / wordpress-plugin
POST SMTP MailerUnknown
wpexpertscommercialWeb & CMS Pluginsaka wpexperts wp plugins, post smtp, mycred, wp multi store locator

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

1 technique
Initial Access
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References

https://wpscan.com/vulnerability/ab5c42ca-ee7d-4344-bd88-0d727ed3d9c4
wpscan.com

Timeline

Published
Jan 15, 2024
Last Updated
Jun 20, 2025

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