Cyber Resilience

CVE-2026-28075

High

Published: 05 March 2026

Published
05 March 2026
Modified
22 April 2026
KEV Added
—
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-2026-28075 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 Exploit Public-Facing Application (T1190); 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-2026-28075 is an Improper Neutralization of Input During Web Page Generation vulnerability, enabling Reflected Cross-site Scripting (XSS) as classified under CWE-79. It affects the Porto theme developed by p-themes for WordPress, impacting all versions from n/a through 7.6.2.

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 required privileges, and user interaction such as clicking a malicious link. Remote attackers can exploit it by tricking authenticated or unauthenticated users into interacting with crafted input reflected in web pages, achieving changed scope with low impacts on confidentiality, integrity, and availability, such as executing arbitrary scripts in the victim's browser context.

Patchstack's advisory at https://patchstack.com/database/Wordpress/Theme/porto/vulnerability/wordpress-porto-theme-7-6-2-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve details the Reflected XSS issue in WordPress Porto theme version 7.6.2 and provides information on associated patches and mitigation recommendations for affected deployments.

EU & UK References

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in p-themes Porto porto allows Reflected XSS.This issue affects Porto: from n/a through <= 7.6.2.

CWE(s)
CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1204.001 Malicious Link Execution
An adversary may rely upon a user clicking a malicious link in order to gain execution.
attack.mitre.org →
Why these techniques?

Reflected XSS in public-facing WordPress theme directly enables T1190 (exploit of public-facing app via crafted input) and requires user interaction with malicious link (T1204.001) to trigger payload execution in browser.

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

CVEs Like This One

CVE-2025-22765Shared CWE-79
CVE-2024-13885Shared CWE-79
CVE-2025-23645Shared CWE-79
CVE-2025-24017Shared CWE-79
CVE-2025-24544Shared CWE-79
CVE-2025-68037Shared CWE-79
CVE-2025-23725Shared CWE-79
CVE-2025-22357Shared CWE-79
CVE-2026-24955Shared CWE-79
CVE-2025-23834Shared CWE-79

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation good match
prevent

Directly requires validation and sanitization of all input used in web page generation, preventing the improper neutralization that enables reflected XSS in the Porto theme.

SI-15 Information Output Filtering good match
prevent

Requires filtering of information output to web pages, blocking reflected script execution even when input reaches the page generator.

SI-3 Malicious Code Protection partial match
preventdetect

Can be configured to inspect and block malicious script payloads in HTTP responses or requests targeting the vulnerable theme endpoints.

References