How severe is CVE-2023-7027?

CVE-2023-7027 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-7027 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-7027?

CVE-2023-7027 affects Wpexperts Post Smtp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-7027?

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-2023-7027 have an EU (EUVD) identifier?

Yes. CVE-2023-7027 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59218.

When was CVE-2023-7027 published?

CVE-2023-7027 was published on 2024-01-03 and last updated on 2026-06-17.

CVE-2023-7027

CVE-2023-7027 is a high-severity vulnerability in Wpexperts Post Smtp with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59218
Weakness: CWE-79
Affected product: Wpexperts Post Smtp
Published: 2024-01-03
Last modified: 2026-06-17

Description

The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘device’ header in all versions up to, and including, 2.8.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Frequently asked questions

What is CVE-2023-7027?: The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘device’ header in all versions up to, and including, 2.8.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
How severe is CVE-2023-7027?: CVE-2023-7027 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-7027 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-7027?: CVE-2023-7027 affects Wpexperts Post Smtp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-7027?: 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-2023-7027 have an EU (EUVD) identifier?: Yes. CVE-2023-7027 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59218.
When was CVE-2023-7027 published?: CVE-2023-7027 was published on 2024-01-03 and last updated on 2026-06-17.

References

Affected products (1)

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

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