CVE-2026-48871 HIGH

CVE-2026-48871: WordPress MW WP Form plugin <= 5.1.3 - Cross Site Scripting (XSS) vulnerability

Vendor Takashi Kitajima

Product MW WP Form

Weakness CWE-79 · XSS

Published June 15, 2026

Last update June 15, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Cross Site Scripting (XSS) in MW WP Form <= 5.1.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

MW WP Form versions up to 5.1.3 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability requires user interaction—typically clicking a malicious link—and can affect the confidentiality, integrity, and availability of site data. Site administrators should update to a version newer than 5.1.3.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers when they visit a crafted page.

Potential impact on your site

04Site Impact

Visitors can be redirected, have sessions hijacked, or see defaced content depending on the injected script.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must click a malicious link or visit an attacker-controlled page.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-48871 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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