Skip to main content

PHP CVE-2026-4508

| EUVD-2026-13931 MEDIUM
SQL Injection (CWE-89)
2026-03-20 VulDB
5.5
CVSS 4.0 · NVD
Share

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

7
CVSS changed
Apr 29, 2026 - 01:11 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
Severity Changed
Apr 22, 2026 - 21:37 NVD
HIGH MEDIUM
CVSS changed
Apr 22, 2026 - 21:37 NVD
7.3 (HIGH) 6.9 (MEDIUM)
PoC Detected
Mar 23, 2026 - 14:32 vuln.today
Public exploit code
EUVD ID Assigned
Mar 20, 2026 - 23:01 euvd
EUVD-2026-13931
Analysis Generated
Mar 20, 2026 - 23:01 vuln.today
CVE Published
Mar 20, 2026 - 22:32 nvd
HIGH 7.3

DescriptionCVE.org

A vulnerability was identified in PbootCMS up to 3.2.12. The impacted element is the function checkUsername of the file apps/home/controller/MemberController.php of the component Member Login. The manipulation of the argument Username leads to sql injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

AnalysisAI

SQL injection in PbootCMS versions up to 3.2.12 allows unauthenticated remote attackers to manipulate the Username parameter in the Member Login function, potentially enabling unauthorized database access and data manipulation. Public exploit code exists for this vulnerability, and no patch is currently available.

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send malicious SQL payload in Username parameter
Exploit
Bypass checkUsername validation function
Execution
Execute arbitrary SQL query
Impact
Extract sensitive database data

Vulnerability AssessmentAI

Exploitation Remote unauthenticated attacker can exploit PbootCMS versions up to 3.2.12 by submitting malicious SQL injection payload in the Username parameter to the Member Login checkUsername function (apps/home/controller/MemberController.php). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The real-world risk is elevated due to multiple converging factors. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker identifies a PbootCMS installation and navigates to the member login page. Using the publicly available exploit code from GitHub, the attacker crafts a malicious SQL injection payload in the Username field, such as inserting UNION-based or time-based blind SQL injection syntax. …
Remediation As of this analysis, no official patch or vendor advisory has been released by the PbootCMS development team (CVSS RL:X indicates remediation level unavailable). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all systems running PbootCMS and their version numbers; isolate affected instances from production if possible and implement emergency WAF rules to block malicious SQL patterns in the Username parameter. …

Sign in for detailed remediation steps and compensating controls.

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

Share

CVE-2026-4508 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy