CVE-2026-27359 in Awa Plugins
Summary
by MITRE • 03/05/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in fox-themes Awa Plugins awa-plugins allows Reflected XSS.This issue affects Awa Plugins: from n/a through <= 1.4.4.
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Analysis
by VulDB Data Team • 03/06/2026
The vulnerability CVE-2026-27359 represents a critical cross-site scripting flaw in the fox-themes Awa Plugins awa-plugins component, specifically impacting versions through 1.4.4. This reflected XSS vulnerability occurs during web page generation when input data is not properly sanitized or neutralized before being rendered in web responses. The flaw allows attackers to inject malicious scripts into web pages viewed by other users, creating a persistent security risk for websites utilizing this plugin.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding mechanisms within the plugin's web page generation process. When user-supplied data is processed and subsequently displayed without proper sanitization, malicious scripts can be executed in the context of other users' browsers. This reflected nature means that the malicious payload must be crafted to be included in the URL parameters or other request data, which is then reflected back to the user's browser without proper escaping or encoding.
From an operational perspective, this vulnerability creates significant risk for website administrators and end users who rely on the awa-plugins for their website functionality. Attackers can exploit this weakness to steal user sessions, deface websites, redirect users to malicious sites, or perform actions on behalf of authenticated users. The impact extends beyond simple data theft, as reflected XSS can enable more sophisticated attacks such as session hijacking, credential theft, or even privilege escalation within the affected web application environment.
The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications, and corresponds to ATT&CK technique T1059.008 for script injection attacks. Organizations using affected versions of the awa-plugins should prioritize immediate remediation through patching to version 1.4.5 or later, as this represents the first release that addresses the input sanitization issues. Additionally, implementing proper input validation, output encoding, and Content Security Policy headers can provide additional defense-in-depth measures against similar vulnerabilities in the future. Security monitoring should also be enhanced to detect potential exploitation attempts through unusual parameter patterns in web access logs.
Organizations should conduct thorough vulnerability assessments to identify all instances where this plugin is deployed, particularly focusing on websites that handle sensitive user data or authentication mechanisms. The remediation process should include not only updating the plugin but also reviewing other potentially vulnerable components within the same web application stack. Regular security testing and code reviews should be implemented to prevent similar input validation issues from emerging in future development cycles.