CVE-2023-6620

Name: CVE-2023-6620
Creator: NVD / NIST
Published: 2024-01-15T16:15:12.513+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 14.17%

Last modified Jun 17, 2026

CVE-2023-6620 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 14.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

14.17%

96.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Wpexperts	Post Smtp	< 2.8.7

References

https://wpscan.com/vulnerability/ab5c42ca-ee7d-4344-bd88-0d727ed3d9c4Exploit, Third Party Advisory
https://wpscan.com/vulnerability/ab5c42ca-ee7d-4344-bd88-0d727ed3d9c4Exploit, Third Party Advisory

Timeline

Published: Jan 15, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-6620?

How severe is CVE-2023-6620?

CVE-2023-6620 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 14.17% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6620?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-6620?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST