CVE-2026-27088
Published: 25 March 2026
Summary
CVE-2026-27088 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 JavaScript (T1059.007); ranked at the 11.8th 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).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
SI-15 mandates information output filtering prior to web page generation, directly preventing reflected XSS by neutralizing injected scripts in the Darna Framework.
SI-10 requires validation of inputs at web entry points, blocking malicious payloads that could be reflected as XSS in vulnerable Darna Framework versions <=2.9.
SI-2 ensures timely identification and remediation of flaws like CVE-2026-27088 through patching the affected Darna Framework plugin.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS directly enables arbitrary JavaScript execution (T1059.007) in the victim's browser; exploitation requires the victim to click a crafted malicious link (T1204.001).
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in G5Theme Darna Framework darna-framework allows Reflected XSS.This issue affects Darna Framework: from n/a through <= 2.9.
Deeper analysisAI
CVE-2026-27088 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as reflected cross-site scripting (XSS), in the G5Theme Darna Framework WordPress plugin (darna-framework). It affects all versions from n/a through 2.9 inclusive. Published on 2026-03-25T17:16:56.473, the issue has 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) and maps to CWE-79.
Attackers can exploit this remotely over the network with low complexity and no privileges required, though user interaction is needed, such as clicking a malicious link. Exploitation reflects injected scripts during web page generation, enabling limited impacts on confidentiality, integrity, and availability with a changed scope that could affect other users or site resources.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/darna-framework/vulnerability/wordpress-darna-framework-plugin-2-9-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve documents the vulnerability in the Darna Framework WordPress plugin version 2.9 and provides associated mitigation guidance.
Details
- CWE(s)