PT-2025-34997 · WordPress · Newsletter Subscription Optin Module

Nguyen Xuan Chien · Published 2025-08-28 · Updated 2025-08-28 · CVE-2025-48308

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions nonletter Newsletter subscription optin module versions through 1.2.9

Description A Cross-Site Request Forgery (CSRF) vulnerability exists in the Newsletter subscription optin module, which also allows for Stored Cross-Site Scripting (XSS).

Recommendations Update to a version later than 1.2.9.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2025-48308

Affected Products

Newsletter Subscription Optin Module

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-48308 · Security Note
• 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 · Note
• https://twitter.com/CVEnew/status/1961052857571959048 · Twitter Post
• 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 · Note