CVE-2025-48308: WordPress Newsletter subscription optin module plugin <= 1.2.9 - Cross Site Request Forgery (CSRF) to Stored XSS vulnerability

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-28 · updated 2026-10-18
Weakness: CWE-352

Description

Cross-Site Request Forgery (CSRF) vulnerability in nonletter Newsletter subscription optin module newsletter-subscription-widget-for-sendblaster allows Stored XSS.This issue affects Newsletter subscription optin module: from n/a through <= 1.2.9.

Affected products

nonletter Newsletter subscription optin module: through 1.2.9

References

https://patchstack.com/database/Wordpress/Plugin/newsletter-subscription-widget-for-sendblaster/vulnerability/wordpress-newsletter-subscription-optin-module-plugin-1-2-9-cross-site-request-forgery-csrf-to-stored-xss-vulnerability?_s_id=cve

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