CVE-2023-45829 - CVE House

Status published Medium CVE-2023-45829

WordPress Newsletter & Bulk Email Sender Plugin <= 2.0.1 is vulnerable to Cross Site Scripting (XSS)

6.5 CVSS

Vulnerability Description

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in HappyBox Newsletter & Bulk Email Sender – Email Newsletter Plugin for WordPress plugin <= 2.0.1 versions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-45829

Check My Exposure

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

thiennv (Patchstack Alliance)

References

https://patchstack.com/database/vulnerability/newsletter-bulk-email/wordpress-newsletter-bulk-email-sender-plugin-2-0-1-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected Vendor

HappyBox

View all reports →

Affected Software

Newsletter & Bulk Email Sender – Email Newsletter Plugin for WordPress

Vulnerable Versions:

Unknown

Timeline

Official Publish: October 24th, 2023

Last Modified: April 28th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

Initial Access

T1059.007 JavaScript

Execution

T1539 Steal Web Session Cookie

Collection

T1213 Data from Information Repositories