CVE-2025-22303

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

Description

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

Remediation

Solution:

  • Update the WordPress WP Mailster wordpress plugin to the latest available version (at least 1.8.18.0).

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Third-Party Advisory patchstack.com
Affected: brandtoss WP Mailster
Published at:
Updated at:

References

Link Tags
https://patchstack.com/database/wordpress/plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-17-0-sensitive-data-exposure-vulnerability?_s_id=cve third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2025-22303?
CVE-2025-22303 has been scored as a medium severity vulnerability.
How to fix CVE-2025-22303?
To fix CVE-2025-22303: Update the WordPress WP Mailster wordpress plugin to the latest available version (at least 1.8.18.0).
Is CVE-2025-22303 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-22303 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-22303?
CVE-2025-22303 affects brandtoss WP Mailster.
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