CVE-2025-22303

MEDIUM 5.3

WordPress WP Mailster plugin <= 1.8.17.0 - Sensitive Data Exposure vulnerability

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

Insertion of Sensitive Information Into Sent Data vulnerability in brandtoss WP Mailster wp-mailster allows Retrieve Embedded Sensitive Data.This issue affects WP Mailster: from n/a through <= 1.8.17.0.

CWE	CWE-201
Vendor	brandtoss
Product	wp mailster
Published	Jan 7, 2025
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

brandtoss / WP Mailster

0 ≤ 1.8.17.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-17-0-sensitive-data-exposure-vulnerability?_s_id=cve

Credits

Dhabaleshwar Das | Patchstack Bug Bounty Program