Skip to main content

Custom css-js-php CVE-2026-6433

| EUVD-2026-29034 HIGH
2026-05-11 contact@wpscan.com GHSA-c697-h8w8-m356
7.3
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
7.3 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

4
Analysis Generated
May 11, 2026 - 18:22 vuln.today
CVSS changed
May 11, 2026 - 18:22 NVD
7.3 (HIGH)
CVE Published
May 11, 2026 - 06:16 nvd
HIGH 7.3
CVE Published
May 11, 2026 - 06:16 nvd
UNKNOWN (no severity yet)

DescriptionCVE.org

The Custom css-js-php WordPress plugin through 2.0.7 does not properly sanitize user input before using it in a SQL query, and the result is passed to eval(), allowing unauthenticated users to execute arbitrary PHP code on the server.

AnalysisAI

Remote code execution in the Custom css-js-php WordPress plugin versions up to 2.0.7 allows unauthenticated attackers to execute arbitrary PHP code on the server through SQL injection chained with PHP eval(). The plugin fails to sanitize user input before passing it to SQL queries, with query results subsequently executed via eval(). …

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

Recon
Identify WordPress site with Custom css-js-php plugin
Delivery
Send crafted HTTP request with SQL injection payload
Exploit
Plugin executes unsanitized SQL query
Install
Inject malicious PHP code into query results
C2
Plugin passes results to eval()
Execute
Execute arbitrary PHP code with server privileges
Impact
Establish persistence or exfiltrate data

Vulnerability AssessmentAI

Exploitation No special conditions-remote unauthenticated exploitation against default configurations of Custom css-js-php plugin versions through 2.0.7. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This vulnerability presents a critical architectural flaw with paradoxically low observed exploitation activity. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated remote attacker crafts a malicious HTTP request to the WordPress site targeting the Custom css-js-php plugin's vulnerable endpoint. The payload contains SQL injection syntax designed to manipulate the database query and inject arbitrary PHP code into the result set. …
Remediation Immediately remove or disable the Custom css-js-php plugin on all WordPress installations, as no patched version has been identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Disable or remove the Custom css-js-php plugin immediately from all WordPress installations; verify no backups contain active instances. …

Sign in for detailed remediation steps and compensating controls.

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

Share

CVE-2026-6433 vulnerability details – vuln.today

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