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PHP CVE-2026-1105

MEDIUM
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)
2026-01-18 cna@vuldb.com
5.5
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
5.5 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:N/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
None
User Interaction
None
Scope
X

Lifecycle Timeline

5
Severity Changed
Apr 29, 2026 - 01:11 NVD
HIGH MEDIUM
CVSS changed
Apr 29, 2026 - 01:11 NVD
7.3 (HIGH) 5.5 (MEDIUM)
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 06, 2026 - 20:19 vuln.today
Public exploit code
CVE Published
Jan 18, 2026 - 00:15 nvd
HIGH 7.3

DescriptionCVE.org

A vulnerability was identified in EasyCMS up to 1.6. This vulnerability affects unknown code of the file /UserAction.class.php. Such manipulation of the argument _order leads to sql injection. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

SQL injection in EasyCMS up to version 1.6 via the _order parameter in /UserAction.class.php allows unauthenticated remote attackers to manipulate database queries and potentially access or modify sensitive data. Public exploit code exists for this vulnerability, and no patch is currently available from the vendor despite early notification.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send HTTP request to /UserAction.class.php
Exploit
Inject SQL payload in _order parameter
Execution
Execute arbitrary SQL queries
Impact
Extract or modify database contents

Vulnerability AssessmentAI

Exploitation EasyCMS version 1.6 or earlier with /UserAction.class.php endpoint accessible. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 7.3 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A remote attacker could exploit this flaw, sql injection.
Remediation Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 7 days: Identify all affected systems running EasyCMS 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-2026-1105 vulnerability details – vuln.today

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