vulnerability

WordPress Plugin: mailin: CVE-2021-24923: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Severity

CVSS

(AV:N/AC:M/Au:N/C:N/I:P/A:N)

Published

Dec 23, 2021

Added

May 15, 2025

Modified

Apr 29, 2026

Description

The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.25 does not escape the sib-statistics-date parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue

Solution

mailin-plugin-cve-2021-24923

References

https://www.cve.org/CVERecord?id=CVE-2021-24923
https://www.wordfence.com/threat-intel/vulnerabilities/id/31aa4f8b-954c-410e-9f18-c1e62dd9850b?source=api-prod
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-11835
CVE-2021-24923
https://attackerkb.com/topics/CVE-2021-24923
CWE-79
EUVD-EUVD-2021-11835

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