CVE-2025-58596

WordPress MailOptin Plugin <= 1.2.75.0 - Cross Site Scripting (XSS) Vulnerability

5.9 Medium

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in properfraction MailOptin mailoptin allows Stored XSS.This issue affects MailOptin: from n/a through <= 1.2.75.0.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.22%Up 0.2 points since Sep 4, 2025

What each source reports

CVE List Score used 5.9

WordPress MailOptin Plugin <= 1.2.75.0 - Cross Site Scripting (XSS) Vulnerability

Record: CVE-2025-58596
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-26570 5.9

Record: EUVD-2025-26570
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-5fm7-8859-q985 5.9

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in properfraction MailOptin allows Stored XSS. This issue affects MailOptin: from n/a through 1.2.75.0.

Record: GHSA-5fm7-8859-q985
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 5.9

Record: CVE-2025-58596
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

properfraction mailoptin

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-58596 is a medium vulnerability (CVSS 5.9) in Properfraction Mailoptin, published September 3, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 13th percentile. No source names a fixed version.