What is the CVSS score of CVE-2025-22303?

CVE-2025-22303 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.2%.

Which versions of Wp Mailster are affected by CVE-2025-22303?

CVE-2025-22303 presents moderate security risk rated CVSS 5.3. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-22303?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Wp Mailster CVE-2025-22303

MEDIUM

Insertion of Sensitive Information Into Sent Data (CWE-201)

2025-01-07 audit@patchstack.com

WordPress Information Disclosure Wp Mailster Wordpress Plugin Wpmailster

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Severity Changed

Apr 23, 2026 - 15:42 NVD

HIGH MEDIUM

CVSS changed

Apr 23, 2026 - 15:42 NVD

7.5 (HIGH) 5.3 (MEDIUM)

Analysis Generated

Mar 28, 2026 - 18:02 vuln.today

CVE Published

Jan 07, 2025 - 11:15 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

Insertion of Sensitive Information Into Sent Data vulnerability in brandtoss WP Mailster allows Retrieve Embedded Sensitive Data.8.17.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-201. Insertion of Sensitive Information Into Sent Data vulnerability in brandtoss WP Mailster allows Retrieve Embedded Sensitive Data.8.17.0. Affected products include: Wpmailster Wp Mailster. Version information: through 1.8.17.0..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.