Acunetix DAST powers runtime capabilities for Invicti’s complete AppSec platform. Visit Invicti for more.
Get a demo Acunetix Website Security Scanner Get a demo
  • Product
  • Why Acunetix?
    • Solutions
      • INDUSTRIES
        • IT & Telecom
        • Government
        • Financial Services
        • Education
        • Healthcare
      • ROLES
        • CTO & CISO
        • Engineering Manager
        • Security Engineer
        • DevSecOps
    • Case Studies
    • Customers
    • Testimonials
  • Pricing
  • About Us
    • Our story
    • In the news
    • Careers
    • Contact
  • Resources
    • Blog
    • Webinars
    • White papers
    • Buyer’s guide
    • Partners
    • Documentation
  • Get a demo
WEB APPLICATION VULNERABILITIES Standard & Premium

Moodle Server-Side Request Forgery (SSRF) Vulnerability (CVE-2023-35133)

Description

An issue in the logic used to check 0.0.0.0 against the cURL blocked hosts lists resulted in an SSRF risk. This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8, 3.11 to 3.11.14, 3.9 to 3.9.21 and earlier unsupported versions.

Remediation

References

CVE-2023-35133

Related Vulnerabilities

Moodle Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2017-2641)

WordPress Plugin Popup Maker-Popup for opt-ins, lead gen, & more Cross-Site Scripting (1.6.4)

Artifactory Incorrect Authorization Vulnerability (CVE-2021-45730)

WordPress Cookies Security Bypass Weakness (1.5 - 2.3.1)

PHP Incorrect Calculation of Buffer Size Vulnerability (CVE-2025-1861)

Severity

High

Classification

CVE-2023-35133 CWE-918 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Tags

Missing Update Known Vulnerabilities

Take action and discover your vulnerabilities

Get a demo
Client: AWS
Client: Cognizant
Client: Garmin
Client: Airforce
Client: NASA
Client: American Express
Product Information
  • AcuSensor Technology
  • AcuMonitor Technology
  • Acunetix Integrations
  • Vulnerability Scanner
  • Support Plans
Use Cases
  • Penetration Testing Software
  • Website Security Scanner
  • External Vulnerability Scanner
  • Web Application Security
  • Vulnerability Management Software
Website Security
  • Cross-site Scripting
  • SQL Injection
  • Reflected XSS
  • CSRF Attacks
  • Directory Traversal
Learn More
  • White Papers
  • TLS Security
  • WordPress Security
  • Web Service Security
  • Prevent SQL Injection
Company
  • About Us
  • Customers
  • Become a Partner
  • Careers
  • Contact
Documentation
  • Case Studies
  • Documentation
  • Videos
  • Vulnerability Index
  • Webinars
  • Login
  • Invicti Subscription Services Agreement
  • Privacy Policy
  • Terms of Use
  • Sitemap
  • Follow us on Twiter
  • Follow us on LinkedIn

© Acunetix 2026, by Invicti