CVE-2026-28122

High

Published: 05 March 2026

Published

05 March 2026

Modified

22 April 2026

KEV Added

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Patch

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CVSS Score v3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS Score 0.0004 14.4th percentile

Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-28122 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Browser Session Hijacking (T1185); ranked at the 14.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-15 (Information Output Filtering).

Deeper analysis

CVE-2026-28122 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the CridioStudio ListingPro plugin (listingpro-plugin) for WordPress. It affects all versions from n/a through 2.9.8, as published on 2026-03-05.

The vulnerability carries a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), indicating network accessibility, low attack complexity, no privileges required, and user interaction needed. Remote attackers can exploit it by crafting malicious input reflected in web pages, tricking users (such as site visitors or admins) into interacting via links or forms. Exploitation enables limited impacts on confidentiality, integrity, and availability with changed scope.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/listingpro-plugin/vulnerability/wordpress-listingpro-plugin-2-9-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve provides details on this Reflected XSS issue in ListingPro plugin version 2.9.8.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-9774

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CridioStudio ListingPro listingpro-plugin allows Reflected XSS.This issue affects ListingPro: from n/a through <= 2.9.8.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1185 Browser Session Hijacking Collection

Adversaries may take advantage of security vulnerabilities and inherent functionality in browser software to change content, modify user-behaviors, and intercept information as part of various browser session hijacking techniques.

attack.mitre.org →

T1539 Steal Web Session Cookie Credential Access

An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.

attack.mitre.org →

T1056.003 Web Portal Capture Collection

Adversaries may install code on externally facing portals, such as a VPN login page, to capture and transmit credentials of users who attempt to log into the service.

attack.mitre.org →

Why these techniques?

Reflected XSS directly enables browser-side script execution, facilitating session hijacking (T1185), theft of web session cookies (T1539), and capture of portal/user input (T1056.003) when victims interact with attacker-crafted links.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v18.1