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itsourcecode CMS CVE-2026-10258

| EUVD-2026-33637 LOW
SQL Injection (CWE-89)
2026-06-01 VulDB GHSA-cqr5-3fqx-99xv
2.1
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:L/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
Low
User Interaction
None
Scope
X

Lifecycle Timeline

3
Severity Changed
Jun 01, 2026 - 13:22 NVD
MEDIUM LOW
CVSS changed
Jun 01, 2026 - 13:22 NVD
6.3 (MEDIUM) 2.1 (LOW)
Analysis Generated
Jun 01, 2026 - 13:16 vuln.today

DescriptionCVE.org

A weakness has been identified in itsourcecode Content Management System 1.0. Impacted is an unknown function of the file /admin/add_sub_topic.php. This manipulation of the argument topic_id causes sql injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

AnalysisAI

SQL injection in itsourcecode Content Management System 1.0 allows remote authenticated attackers to manipulate the backend database via the topic_id parameter in /admin/add_sub_topic.php. The CVSS vector (PR:L) confirms exploitation requires low-privilege authentication, limiting opportunistic attack surface but not eliminating risk in multi-tenant or shared-admin environments. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain low-privilege CMS credentials
Delivery
Authenticate to admin panel
Exploit
Send crafted POST to /admin/add_sub_topic.php with malicious topic_id
Execution
Inject SQL payload into unsanitized query
Impact
Extract or modify database contents

Vulnerability AssessmentAI

Exploitation Exploitation requires a valid low-privilege account on the itsourcecode CMS instance, as confirmed by the CVSS vector PR:L. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score of 6.3 reflects a network-reachable (AV:N), low-complexity (AC:L), low-privilege-required (PR:L) attack with no user interaction (UI:N) and partial impact across confidentiality, integrity, and availability (C:L/I:L/A:L). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who has obtained low-privilege credentials to the itsourcecode CMS - through credential stuffing, phishing, or default credentials - navigates to /admin/add_sub_topic.php and submits a crafted HTTP POST request with a malicious topic_id value (e.g., 1 UNION SELECT user,password,3 FROM admin--) to extract password hashes from the database. Because a public POC exists on GitHub (https://github.com/ltranquility/vuln_submit/issues/5), the attack can be replicated with minimal technical skill, reducing the barrier for exploitation once authentication is satisfied.
Remediation No vendor-released patch has been identified at time of analysis; the itsourcecode.com vendor site does not publish a security advisory for this CVE. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-10258 vulnerability details – vuln.today

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