CVE-2026-27385
Published: 05 March 2026
Summary
CVE-2026-27385 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 11.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS in public-facing WordPress plugin directly enables arbitrary JS execution in victim browser context via malicious links (T1190 public app exploitation + T1059.007 JavaScript interpreter), facilitating session hijacking (T1185) and cookie theft (T1539).
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in designthemes DesignThemes Portfolio designthemes-portfolio allows Reflected XSS.This issue affects DesignThemes Portfolio: from n/a through <= 1.3.
Deeper analysisAI
CVE-2026-27385 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, affecting the DesignThemes Portfolio WordPress plugin (designthemes-portfolio). The issue impacts all versions from n/a through 1.3 inclusive, as published on 2026-03-05.
With 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), unauthenticated attackers can exploit this over the network with low attack complexity by tricking users into performing actions such as clicking malicious links containing reflected XSS payloads. Exploitation executes arbitrary scripts in the victim's browser within the site's context, enabling low-level impacts on confidentiality, integrity, and availability due to the changed scope.
Mitigation details are available in advisories such as the Patchstack database entry: https://patchstack.com/database/Wordpress/Plugin/designthemes-portfolio/vulnerability/wordpress-designthemes-portfolio-plugin-1-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve.
Details
- CWE(s)