CVE-2023-6620 | BDVDB-2026-0055 Detail

POST SMTP Mailer

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References#

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

Exploit#

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

History#

Version 12024-01-15Record published in the CVE List.
Version 22025-06-20Most recent update recorded in the CVE List.

Published

Published: 2024-01-15
Last modified: 2025-06-20

Vendor information

Vendor: Not stated
Product: POST SMTP Mailer

Score

7.2 High

EPSS

14.0%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 96.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

SQL Injection

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 2.8.7
Fixed
2.8.7

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.2 High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).