CVE-2023-1325: Easy Forms for MailChimp < 6.8.7 - Contributor+ Stored XSS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-04-17 · updated 2026-06-17
Weakness: CWE-79

Description

The Easy Forms for Mailchimp WordPress plugin before 6.8.7 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Affected products

Easy Forms for Mailchimp: before 6.8.7 — fixed in 6.8.7

How to fix

Upgrade to a fixed version: Easy Forms for Mailchimp 6.8.7. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/5f37cbf3-2388-4582-876c-6a7b0943c2a7
https://wpscan.com/vulnerability/5f37cbf3-2388-4582-876c-6a7b0943c2a7

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