CVE-2023-47545 | BDVDB-2026-217008 Detail

Fatcat AppsForms for Mailchimp by Optin Cat – Grow Your MailChimp List

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#

CAPEC-592 Stored XSS

Weaknesses#

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References#

https://patchstack.com/database/vulnerability/mailchimp-wp/wordpress-forms-for-mailchimp-by-optin-cat-plugin-2-5-4-cross-site-scripting-xss-vulnerability?_s_id=cve

Exploit#

No public exploit known

History#

Version 12023-11-14Record published in the CVE List.
Version 22026-04-28Most recent update recorded in the CVE List.

Published

Published: 2023-11-14
Last modified: 2026-04-28

Vendor information

Vendor: Fatcat Apps
Product: Forms for Mailchimp by Optin Cat – Grow Your MailChimp List

All Fatcat Apps vulnerabilities

Score

5.9 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 32.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 2.5.4
Fixed
Not stated
Vulnerable
Not stated
Fixed
2.5.5

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.9 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	High
User Interaction	Required
Scope	Changed
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).