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PHP CVE-2026-6652

| EUVD-2026-23878 LOW
Eval Injection (CWE-95)
2026-04-20 VulDB GHSA-gv64-vfgp-cgh5
2.0
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.0 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

8
Severity Changed
Apr 29, 2026 - 01:12 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:12 NVD
5.1 (MEDIUM) 2.0 (LOW)
PoC Detected
Apr 29, 2026 - 01:00 vuln.today
Public exploit code
CVSS changed
Apr 20, 2026 - 16:22 NVD
4.7 (MEDIUM) 5.1 (MEDIUM)
Analysis Generated
Apr 20, 2026 - 15:51 vuln.today
EUVD ID Assigned
Apr 20, 2026 - 15:15 euvd
EUVD-2026-23878
Analysis Generated
Apr 20, 2026 - 15:15 vuln.today
CVE Published
Apr 20, 2026 - 15:00 nvd
LOW 2.0

DescriptionCVE.org

A weakness has been identified in Pagekit CMS up to 1.0.18. This issue affects the function evaluate of the file app/modules/view/src/PhpEngine.php of the component StringStorage Template Handler. This manipulation causes improper neutralization of directives in dynamically evaluated code. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Improper neutralization of directives in dynamically evaluated code in Pagekit CMS up to version 1.0.18 allows high-privileged remote attackers to inject and execute arbitrary PHP code through the StringStorage Template Handler's evaluate function in app/modules/view/src/PhpEngine.php. The vulnerability requires administrator-level access but enables information disclosure, code injection, and potential system compromise. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Compromise admin credentials
Delivery
Authenticate to CMS admin panel
Exploit
Access template editor
Install
Inject malicious PHP directive
C2
Template engine evaluates code
Execute
Arbitrary PHP executes as webserver user
Impact
Attacker achieves information disclosure or code execution

Vulnerability AssessmentAI

Exploitation Exploitation requires high-privilege administrative access to Pagekit CMS (PR:H from CVSS vector) - the attacker must either possess valid admin credentials or have compromised an admin account. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS score of 4.7 with a network attack vector and low complexity reflects a moderate baseline risk, but several factors require careful interpretation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with stolen or socially-engineered admin credentials logs into the Pagekit CMS administrative panel, navigates to the template editor, and injects malicious PHP code into a template string that is processed by the PhpEngine evaluate function. The injected code executes with the privileges of the web server process, allowing the attacker to exfiltrate sensitive data, modify database records, or establish a persistent backdoor. …
Remediation No vendor-released patch is identified at time of analysis - the vendor did not respond to early disclosure and no official patch version has been confirmed. … Detailed patch versions, workarounds, and compensating controls in full report.

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

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CVE-2026-6652 vulnerability details – vuln.today

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