CVE-2025-24559

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in brandtoss WP Mailster wp-mailster allows Reflected XSS.This issue affects WP Mailster: from n/a through <= 1.8.15.0.

Overview

State: PUBLISHED
Assigner (CNA): Patchstack
CVSS severity: HIGH
CVSS score: 7.1 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Effective score: 7.1 / 10 HIGH source: CNA overview
CWE(s): CWE-79
Reserved: 2025-01-23
Published: 2025-02-03 15:22 UTC
Last updated: 2026-04-28 18:11 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/24xxx/CVE-2025-24559.json
Linked Threat: CVE-2025-24559 — WP Mailster <= 1.8.15.0 - Reflected Cross-Site Scripting

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2025-02-03 15:15:25 UTC
NVD last modified: 2026-06-17 08:59:13 UTC
NVD CVSS v3.1: 7.1 / 10 HIGH source: audit@patchstack.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Exploitability subscore: 2.8 / 10
Impact subscore: 3.7 / 10
EPSS score: 0.0031 (probability of exploitation in next 30 days)
EPSS percentile: 22.80% vs all CVEs — higher = more likely to be exploited, as of 2026-07-26

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2025-3767
Assigner: Patchstack
Published: Feb 3, 2025, 2:22:46 PM
Updated: Apr 28, 2026, 4:11:28 PM
EUVD base score (CVSS 3.1): 7.1 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EUVD-reported EPSS: 0.0400
Vendors: brandtoss
Products: WP Mailster (n/a ≤1.8.15.0)

WP Mailster (0 ≤1.8.15.0)
Aliases: GHSA-q2rj-w884-9q82

ENISA description: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in brandtoss WP Mailster wp-mailster allows Reflected XSS.This issue affects WP Mailster: from n/a through <= 1.8.15.0.

EUVD references (1)

https://patchstack.com/database/Wordpress/Plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-15-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected products (1)

Vendor	Product	Versions	Platforms
brandtoss	WP Mailster	`0` (affected)	—

Affected products — CPE 2.3 (1) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:a:wpmailster:wp_mailster:*:*:*:*:*:wordpress:*:*

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

https://patchstack.com/database/Wordpress/Plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-15-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

https://patchstack.com/database/Wordpress/Plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-15-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry

Web references (5)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

http://cwe.mitre.org/data/definitions/79.html rapid7:cwe.mitre.org
https://attackerkb.com/topics/CVE-2025-24559 rapid7:attackerkb.com
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-3767 rapid7:euvd.enisa.europa.eu
https://www.cve.org/CVERecord?id=CVE-2025-24559 rapid7:www.cve.org
https://www.wordfence.com/threat-intel/vulnerabilities/id/475c9bec-0fd5-4de7-a8a3-8aea5dd4c68d?source=api-prod rapid7:www.wordfence.com

NVD-tagged references (1)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://patchstack.com/database/Wordpress/Plugin/wp-mailster/vulnerability/wordpress-wp-mailster-plugin-1-8-15-0-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve audit@patchstack.com Third Party Advisory

Indicators (3)

IOCs linked to the auto-promoted Threat row.

Type	Value	VirusTotal	Attached
domain	`xss.this`	no local data	2026-05-18 21:19 UTC
ipv4	`1.8.15.0`	2026-05-22 02:41 UTC)">not flagged	2026-05-18 21:19 UTC
cve	`CVE-2025-24559`	no local data	2026-06-06 14:12 UTC

Remediations (13)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Wordfence remediation: WP Mailster

Wordfence

Update to version 1.8.16.0, or a newer patched version

2026-06-06 14:12 UTC
Microsoft and Adobe Patch Tuesday, September 2025 Security Update ...

web:blog.qualys.com

EVALUATE Vendor-Suggested Mitigation with Policy Audit With Qualys Policy Audit's Out-of-the-Box Mitigation or Compensatory Controls, reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done now; these security controls are not recommended by any industry standards, such as CIS, DISA-STIG.

2026-05-22 12:37 UTC
Microsoft December 2025 Security Updates / FYI - Microsoft Q&A

web:learn.microsoft.com

Microsoft December 2025 Security Updates This release consists of the following 57 Microsoft CVEs : Tag CVE Base Score CVSS Vector Exploitability FAQs? Workarounds? Mitigations ? Windows PowerShell CVE - 2025 -54100 Windows Projected File System…

2026-05-22 12:37 UTC
Microsoft December 2025 Patch Tuesday - 56 Vulnerabilities Fixed ...

web:cybersecuritynews.com

Microsoft released its final Patch Tuesday updates of 2025 on December 9, addressing 56 security vulnerabilities across Windows, Office, Exchange Server, and other components.

2026-05-22 03:26 UTC
Microsoft Releases December 2025 Patch Tuesday Updates

web:petri.com

Microsoft's December 2025 Patch Tuesday delivers 56 security fixes and key improvements for Windows 11.

2026-05-22 03:26 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-22 03:26 UTC
Microsoft September 2025 Patch Tuesday fixes 81 flaws, two zero-days

web:www.bleepingcomputer.com

Today is Microsoft's September 2025 Patch Tuesday, which includes security updates for 81 flaws, including two publicly disclosed zero-day vulnerabilities.

2026-05-22 03:26 UTC
February's Patch Tuesday release fixes 59 flaws ... - Computerworld

web:www.computerworld.com

Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...

2026-05-22 03:26 UTC
ArcGIS Server Security 2025 Update 2 Patch - Esri

web:www.esri.com

Key highlights The ArcGIS Server Security 2025 update 2 is available This patch resolves 10 Medium severity vulnerabilities This security patch is cumulative, and includes fixes provided in the ArcGIS Server Security 2025 update 1.

2026-05-22 03:26 UTC
Windows 11 KB5074109, KB5073455 January 2026 Patch Tuesday ... - Neowin

web:www.neowin.net

Microsoft has released Patch Tuesday updates for Windows 11 KB5074109, KB5073455 for January 2026. Here's what's included.

2026-05-22 03:26 UTC
Oracle Critical Patch Update Advisory - October 2025

web:www.oracle.com

This Critical Patch Update contains 374 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at October 2025 Critical Patch Update: Executive Summary and Analysis.

2026-05-22 03:26 UTC
Patch Tuesday 2025 Year In Review | Tenable®

web:www.tenable.com

Key takeaways: Microsoft's 2025 Patch Tuesday releases addressed 1,130 CVEs . This is the second year in a row where the CVE count was over 1,000. Elevation of Privilege vulnerabilities accounted for 38.3% of all Patch Tuesday vulnerabilities in 2025 , followed by Remote Code Execution flaws at 30.8%. 41 zero-day vulnerabilities were addressed across all Patch Tuesday releases in 2025 , including ...

2026-05-22 03:26 UTC
Microsoft Patch Tuesday, September 2025 Edition - Krebs on Security

web:krebsonsecurity.com

Microsoft Corp. today issued security updates to fix more than 80 vulnerabilities in its Windows operating systems and software. There are no known "zero-day" or actively exploited vulnerabilities ...

2026-05-22 03:26 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2025-24559.json.

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