CVE-2023-2337

Name: CVE-2023-2337
Creator: NVD / NIST
Published: 2023-06-05T14:15:10.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2023-2337 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.46%

36.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Convertkit	Convertkit - Email Marketing\, Email Newsletter And Landing Pages	< 2.2.1

References

https://wpscan.com/vulnerability/e5a6f834-80a4-406b-acae-57ffeec2e689Exploit, Third Party Advisory
https://wpscan.com/vulnerability/e5a6f834-80a4-406b-acae-57ffeec2e689Exploit, Third Party Advisory

Timeline

Published: Jun 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2337?

How severe is CVE-2023-2337?

CVE-2023-2337 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2337?

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-2023-2337?

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

Scan your code now

Source: NVD / NIST