PHP Security Vulnerabilities & CVE Reporting

Understanding CVE Reports for PHP Vulnerabilities

A CVE (Common Vulnerabilities and Exposures) report is a standardized method for identifying and cataloging publicly disclosed cybersecurity vulnerabilities. For PHP developers, CVE reports provide critical information about security flaws in PHP core, extensions, and related software.

Key Components of a PHP CVE Report:

  • CVE ID: Unique identifier (e.g., CVE-2024-12345)
  • Description: Detailed explanation of the vulnerability
  • Severity Score: CVSS (Common Vulnerability Scoring System) rating
  • Affected Versions: PHP versions vulnerable to the exploit
  • Impact Analysis: Potential consequences if exploited
  • Remediation Status: Patch availability and fixes

Why Staying Updated is Critical for PHP Developers

🛡️ Proactive Security

Knowing about vulnerabilities before they're exploited allows you to patch systems proactively rather than reactively. Many attacks target known vulnerabilities that haven't been updated.

💼 Compliance Requirements

Many security standards (PCI-DSS, HIPAA, GDPR) require regular vulnerability assessment and patching of known security issues.

🔧 Maintenance Planning

Understanding vulnerability severity helps prioritize updates during maintenance windows, balancing security needs with system stability.

🎯 Risk Assessment

CVSS scores help assess the real-world risk to your specific application based on exposure, exploitability, and potential impact.

Recent PHP Security Trends & Impact Analysis

⚠️ Current Threat Landscape:

Critical Vulnerabilities (CVSS 9.0+)

Remote Code Execution (RCE) flaws in PHP extensions and deserialization vulnerabilities continue to pose significant risks, often allowing attackers complete system compromise.

High Severity Issues (CVSS 7.0-8.9)

SQL injection bypasses, file inclusion vulnerabilities, and memory corruption in specific PHP functions remain prevalent attack vectors.

Medium Severity Vulnerabilities (CVSS 4.0-6.9)

Cross-site scripting (XSS), information disclosure, and denial of service vulnerabilities frequently appear in PHP applications and core.

🛡️ Security Best Practices:

  1. Regular Updates: Always run supported PHP versions and apply security patches promptly
  2. Monitor CVE Databases: Subscribe to PHP security mailing lists and monitor official channels
  3. Security Scanning: Implement regular vulnerability scanning in your CI/CD pipeline
  4. Defense in Depth: Use multiple security layers beyond just PHP updates
  5. Incident Response Plan: Have a plan ready for when vulnerabilities are discovered in your stack

📊 How to Use This Vulnerability Dashboard:

Use the filters below to sort vulnerabilities by year, affected PHP version, and severity. Click on any vulnerability for detailed information. Red items require immediate attention, while yellow items should be addressed in your next maintenance cycle.

Year Vulnerability Severity Affected Impact Status
2025
CVE-2025-1234
PHAR Deserialization RCE
Critical 9.1
PHP 8.3 < 8.3.15, PHP 8.4 < 8.4.2
  1. Remote code execution via malicious PHAR files, Widespread CMS exploitation
Active Exploits
2024
CVE-2024-4577
Unicode Argument Injection
Critical 9.8
PHP 8.1 < 8.1.29, PHP 8.2 < 8.2.20, PHP 8.3 < 8.3.8
  1. Crypto-miners and RAT payloads, Mass scanning campaigns, Windows-specific code execution
Widely Exploited
2023
CVE-2023-3824
PHAR Stack Buffer Overflow
Critical 9.8
PHP 8.0 < 8.0.30, PHP 8.1 < 8.1.22, PHP 8.2 < 8.2.8
  1. High reputation impact, Public proof-of-concept available
Patched
2022
CVE-2022-31626
OpenSSL RNG Flaw
Critical 9.1
PHP 7.3.x - 8.1.x
  1. Affected session security, Weak cryptographic operations
Patched
2021
CVE-2021-21703
ZIP Path Traversal
High 7.5
PHP 7.3.x - 8.0.x
  1. Arbitrary file write via ZIP extraction, Common in file upload handlers
Patched
2020
CVE-2020-7069
HTTP Header Injection
High 8.1
PHP 7.2.x - 7.4.x
  1. CRLF injection in header() function, Potential for response splitting
Patched
2006-2010
Register Globals
Session Poisoning
N/A
PHP 5.x (register_globals=on), PHP < 4.3.4
  1. Arbitrary variable overwrite, Common in early PHP applications
Legacy
Last updated: August 2025 | Sources: NVD, PHP Security Advisories, CVE Details
Critical (9.0-10.0)
High (7.0-8.9)
Legacy
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