CVE-2025-48308

HIGH

Newsletter subscription optin <1.2.9 - XSS

Title source: llm

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.

References (2)

Core 2

Core References

Vdb Entry vdb-entry

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

Third Party Advisory

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

Scores

CVSS v3 7.1

EPSS 0.0011

EPSS Percentile 1.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-352

Status published

Products (1)

nonletter/Newsletter subscription optin module < 1.2.9

Published Aug 28, 2025

Tracked Since Feb 18, 2026