Cyber Resilience

CVE-2026-25356

High

Published: 25 March 2026

Published
25 March 2026
Modified
24 April 2026
KEV Added
Patch
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-2026-25356 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-2026-25356 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the skygroup Yobazar WordPress theme. It affects Yobazar versions from n/a through those prior to 1.6.7. Published on 2026-03-25T17:16:46.600, the issue 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).

Remote attackers can exploit this vulnerability over the network with low complexity and no required privileges, though it necessitates user interaction such as clicking a malicious link. Exploitation enables script injection into reflected web pages, achieving low impacts on confidentiality, integrity, and availability within a changed scope.

The Patchstack advisory details the Reflected XSS vulnerability in the Yobazar WordPress theme and indicates it was fixed in version 1.6.7, recommending updates to this or later versions for mitigation.

EU & UK References

Vulnerability details

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in skygroup Yobazar yobazar allows Reflected XSS.This issue affects Yobazar: from n/a through < 1.6.7.

CWE(s)

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.
T1059.007 JavaScript Execution
Adversaries may abuse various implementations of JavaScript for execution.
Why these techniques?

Reflected XSS in public-facing WordPress theme directly enables exploitation via T1190 and arbitrary JavaScript execution in browser via T1059.007.

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

CVEs Like This One

CVE-2026-3231Shared CWE-79
CVE-2025-23481Shared CWE-79
CVE-2025-69302Shared CWE-79
CVE-2025-23734Shared CWE-79
CVE-2025-23571Shared CWE-79
CVE-2025-65110Shared CWE-79
CVE-2026-24948Shared CWE-79
CVE-2025-27352Shared CWE-79
CVE-2025-30349Shared CWE-79
CVE-2026-3876Shared CWE-79

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly filters information outputs to neutralize untrusted input before web page generation, preventing reflected XSS script injection in Yobazar.

prevent

Validates user inputs to block malicious scripts from being accepted and reflected in web responses, mitigating the XSS vulnerability.

prevent

Requires identification, reporting, and patching of the specific flaw in Yobazar versions prior to 1.6.7 to remediate the reflected XSS issue.

References