CVE-2023-6620

HIGH
Published Jan 15, 2024 Modified Jun 20, 2025 CWE-89

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.

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CVSS v3.1 Score

7.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-89 SQL Injection

Affected Products

Vendor Product
wpexperts post_smtp

References

Frequently Asked Questions

What is CVE-2023-6620? +
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. It has a CVSS v3.1 base score of 7.2 (HIGH).
How severe is CVE-2023-6620? +
CVE-2023-6620 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2023-6620? +
CVE-2023-6620 affects products from wpexperts, specifically: post_smtp. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-6620? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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