Which versions of PHP are affected by CVE-2026-3153?

A high-severity vulnerability in itsourcecode Document Management System 1.0 affects user registration functionality and poses immediate risk to organizations using this system.

Is there a public PoC exploit available for CVE-2026-3153?

Yes, a public proof-of-concept exploit is available for CVE-2026-3153. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3153?

Within 24 hours: Isolate affected Document Management System instances from production if possible, or implement network-level access controls to restrict traffic to /register.php. Within 7 days: Deploy Web Application Firewall (WAF) rules to block exploitation attempts, disable user self-registration if operationally feasible, and implement enhanced monitoring on authentication logs. Within 30 days: Contact vendor for patch timeline, evaluate alternative solutions, and conduct security assessment of any accounts created through compromised registration during exposure period.

PHP CVE-2026-3153

Q: What is the CVSS score of CVE-2026-3153?

CVE-2026-3153 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: 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. EPSS exploitation probability: 0.0%.

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-02-25 cna@vuldb.com

PHP SQLi Document Management System Admerc

5.5

CVSS 4.0 · NVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

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 - 21:55 vuln.today

PoC Detected

Feb 25, 2026 - 15:13 vuln.today

Public exploit code

CVE Published

Feb 25, 2026 - 06:16 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability has been found in itsourcecode Document Management System 1.0. Impacted is an unknown function of the file /register.php. Such manipulation of the argument Username leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

SQL injection in itsourcecode Document Management System 1.0 via the Username parameter in /register.php allows unauthenticated remote attackers to execute arbitrary SQL queries. Public exploit code exists for this vulnerability, and no patch is currently available. Affected systems face potential data theft, modification, and denial of service through successful exploitation.

Technical ContextAI

Affects Document Management System. A vulnerability has been found in itsourcecode Document Management System 1.0. Impacted is an unknown function of the file /register.php. Such manipulation of the argument Username leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.