How severe is CVE-2023-6620?

CVE-2023-6620 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-6620 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6620?

CVE-2023-6620 affects Wpexperts Post Smtp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6620?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-6620 have an EU (EUVD) identifier?

Yes. CVE-2023-6620 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58843.

When was CVE-2023-6620 published?

CVE-2023-6620 was published on 2024-01-15 and last updated on 2026-06-17.

CVE-2023-6620

CVE-2023-6620 is a high-severity vulnerability in Wpexperts Post Smtp with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-58843
Weakness: CWE-89
Affected product: Wpexperts Post Smtp
Published: 2024-01-15
Last modified: 2026-06-17

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.

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.
How severe is CVE-2023-6620?: CVE-2023-6620 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-6620 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6620?: CVE-2023-6620 affects Wpexperts Post Smtp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6620?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-6620 have an EU (EUVD) identifier?: Yes. CVE-2023-6620 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58843.
When was CVE-2023-6620 published?: CVE-2023-6620 was published on 2024-01-15 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:wpexperts:post_smtp:*:*:*:*:*:wordpress:*:*

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