Is CVE-2026-48871 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-48871 being exploited in the wild.

How severe is CVE-2026-48871?

High severity, with a CVSS score of 7.1, published 15 June 2026.

Which products and versions are affected?

MW WP Form MW WP Form <= 5.1.3.

Is there a fix for CVE-2026-48871?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-48871 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-48871?

Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-48871: MW WP Form unauthenticated XSS in WordPress plugin

Q: Is there a fix for CVE-2026-48871?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

Q: How is CVE-2026-48871 attacked?

It is attacked over the network, in a software library.

Q: Am I affected by CVE-2026-48871?

Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-48871 · Severity: high · CVSS 7.1 · Published 2026-06-15

MW WP Form is a popular WordPress plugin used to create and manage custom contact forms. A security flaw allows unauthenticated attackers to inject malicious scripts into the website, which could lead to unauthorized redirects, theft of user session data, or the display of fraudulent content to site visitors. This vulnerability is particularly risky as it can be used in automated mass-exploit campaigns against many websites simultaneously.

Quick answers

Is CVE-2026-48871 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-48871 being exploited in the wild.
How severe is CVE-2026-48871?: High severity, with a CVSS score of 7.1, published 15 June 2026.
Which products and versions are affected?: MW WP Form MW WP Form <= 5.1.3.
Is there a fix for CVE-2026-48871?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-48871 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-48871?: Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A Cross-Site Scripting (XSS) vulnerability exists in the MW WP Form plugin for WordPress due to improper neutralization of input during web page generation (CWE-79). The flaw allows an unauthenticated remote attacker to inject arbitrary web scripts or HTML payloads. Exploitation requires a victim (typically a site administrator or visitor) to interact with a malicious link or crafted page. Successful exploitation can lead to session hijacking, unauthorized redirects, or website defacement. The vulnerability is patched in version 5.1.4.

Affected products

MW WP Form MW WP Form <= 5.1.3

Timeline

2026-05-15: disclosed: Reported by VanTastic
2026-06-01: advisory: Patchstack published advisory and mitigation rules
2026-06-15: disclosed: CVE published to NVD

References

https://patchstack.com/database/wordpress/plugin/mw-wp-form/vulnerability/wordpress-mw-wp-form-plugin-5-1-3-cross-site-scripting-xss-vulnerability?_s_id=cve

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