How severe is CVE-2023-2337?

CVE-2023-2337 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-2337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2337?

CVE-2023-2337 affects Convertkit Convertkit - Email Marketing, Email Newsletter And Landing Pages. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2337?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-2337 published?

CVE-2023-2337 was published on 2023-06-05 and last updated on 2026-06-17.

CVE-2023-2337

CVE-2023-2337 is a medium-severity vulnerability in Convertkit Convertkit - Email Marketing, Email Newsletter And Landing Pages with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Convertkit Convertkit - Email Marketing, Email Newsletter And Landing Pages
Published: 2023-06-05
Last modified: 2026-06-17

Description

The ConvertKit WordPress plugin before 2.2.1 does not escape a parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Frequently asked questions

What is CVE-2023-2337?: The ConvertKit WordPress plugin before 2.2.1 does not escape a parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
How severe is CVE-2023-2337?: CVE-2023-2337 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-2337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2337?: CVE-2023-2337 affects Convertkit Convertkit - Email Marketing, Email Newsletter And Landing Pages. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2337?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2337 published?: CVE-2023-2337 was published on 2023-06-05 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/e5a6f834-80a4-406b-acae-57ffeec2e689

Affected products (1)

cpe:2.3:a:convertkit:convertkit_-_email_marketing\,_email_newsletter_and_landing_pages:*:*:*:*:*:wordpress:*:*

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