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PHP CVE-2026-22704

HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-01-10 security-advisories@github.com GHSA-3fm2-xfq7-7778
PHP Node.js Haxcms Nodejs
8.0
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
8.0 HIGH
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

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 05, 2026 - 20:59 vuln.today
Public exploit code
Patch released
Feb 05, 2026 - 20:59 nvd
Patch available
CVE Published
Jan 10, 2026 - 07:16 nvd
HIGH 8.0

DescriptionGitHub 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.

AnalysisAI

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. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate as low-privilege user
Delivery
Inject malicious script into HAX CMS content field
Exploit
Victim admin views stored payload
Execution
Session token exfiltrated
Impact
Attacker gains account access
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Vulnerability AssessmentAI

Exploitation 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). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 8.0 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker could exploit this vulnerability to account takeover.
Remediation A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 7 days: Identify all affected systems running versions 11.0.6 to and apply vendor patches promptly. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-22704 vulnerability details – vuln.today
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