CVE-2024-9184: SendPulse Free Web Push <= 1.3.6 - Unauthenticated Stored Cross-Site Scripting

Severity: high (CVSS 7.2 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: none known
Published: 2024-10-17 · updated 2026-06-17
Weakness: CWE-79

Description

The SendPulse Free Web Push plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 1.3.6 due to incorrect use of the wp_kses_allowed_html function. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

SendPulse Free Web Push: through 1.3.6

References

https://plugins.trac.wordpress.org/browser/sendpulse-web-push/trunk/settings.php#L10
https://plugins.trac.wordpress.org/changeset/3169899/
https://wordpress.org/plugins/sendpulse-web-push/#developers
https://www.wordfence.com/threat-intel/vulnerabilities/id/74831bf8-0a30-4758-bfe6-5a5b4ee7ec24?source=cve

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