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Status published
Medium
CVE-2023-47545
WordPress Forms for Mailchimp by Optin Cat Plugin <= 2.5.4 is vulnerable to Cross Site Scripting (XSS)
Vulnerability Description
Auth. (editor+) Stored Cross-Site Scripting (XSS) vulnerability in Fatcat Apps Forms for Mailchimp by Optin Cat – Grow Your MailChimp List plugin <= 2.5.4 versions.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- DoYeon Park / p6rkdoye0n (Patchstack Alliance)
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Affected Vendor
Fatcat Apps
View all reports →Affected Software
Forms for Mailchimp by Optin Cat – Grow Your MailChimp List
Vulnerable Versions:
Unknown
Timeline
Official Publish:
November 14th, 2023
Last Modified:
April 28th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L