PHP
CVE-2026-22704
HIGH
GHSA-3fm2-xfq7-7778
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessAuthenticate as low-privilege user
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DeliveryInject malicious script into HAX CMS content field
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ExploitVictim admin views stored payload
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ExecutionSession token exfiltrated
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ImpactAttacker gains account access
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | HAX CMS versions 11.0.6 through 24.x with input sanitization bypass in content storage; requires valid user account (PR:L) and victim must view infected content (UI:R). Affects PHP and NodeJS backends without output encoding. |
| Impact | CVSS 8.0 (HIGH). Attack vector: Network. Complexity: High. Privileges required: Low. User interaction: Required. Public exploit/POC available. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to account takeover. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Stored cross-site scripting (XSS) in HAX CMS versions 11.0.6 through 24.x allows authenticated attackers to inject malicious scripts that execute in other users' browsers, potentially leading to account takeover. Public exploit code exists for this vulnerability affecting both PHP and Node.js deployments. Users should upgrade to version 25.0.0 or later to remediate the issue.
Earlier versions of this analysis (1)
HAX CMS helps manage microsite universe with PHP or NodeJs backends. In versions 11.0.6 to before 25.0.0, HAX CMS is vulnerable to stored XSS, which could lead to account takeover. [CVSS 8.0 HIGH]
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 25.0.0.. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in npm
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Haxcms-Nodejs. HAX CMS helps manage microsite universe with PHP or NodeJs backends. In versions 11.0.6 to before 25.0.0, HAX CMS is vulnerable to stored XSS, which could lead to account takeover. This issue has been patched in version 25.0.0.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
Lifecycle Timeline
3DescriptionGitHub Advisory
HAX CMS helps manage microsite universe with PHP or NodeJs backends. In versions 11.0.6 to before 25.0.0, HAX CMS is vulnerable to stored XSS, which could lead to account takeover. This issue has been patched in version 25.0.0.
Executive ViewAI
Organizations using versions 11.0.6 to face notable risk from CVE-2026-22704, a cross-site scripting vulnerability rated CVSS 8.0. Attackers could inject malicious scripts to steal user sessions, credentials, or perform actions on behalf of authenticated users. Proof-of-concept code is publicly available, increasing the risk of exploitation. A patch is available and should be applied as part of regular vulnerability management.
Apply vendor patch. If immediate patching is not feasible: (1) Implement Content-Security-Policy headers; (2) Enable HttpOnly and SameSite cookie attributes; (3) Deploy WAF XSS/CSRF rules.
Threat Intelligence Overview
NVD
CVE.org
EPSS
Exploit-DB
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Affected Products (CPE)GitHub Advisory
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