Vulnerability in Convertkit - Email Marketing\, Newsletter And Landing Pages

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

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-2337: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-2337?
CVE-2023-2337 is a medium-severity vulnerability in Convertkit - Email Marketing\, Newsletter And Landing Pages, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 6.1/10. Published 2023-06-05.
How severe is CVE-2023-2337?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-2337 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.