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:
- Regular Updates: Always run supported PHP versions and apply security patches promptly
- Monitor CVE Databases: Subscribe to PHP security mailing lists and monitor official channels
- Security Scanning: Implement regular vulnerability scanning in your CI/CD pipeline
- Defense in Depth: Use multiple security layers beyond just PHP updates
- 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 |
|---|---|---|---|---|---|
| 2026 |
CVE-2026-7568
Memory handling flaw affecting supported PHP branches that may result in crashes or arbitrary code execution.
|
High 8.1 |
PHP 8.2 < 8.2.31, 8.3 < 8.3.31, 8.4 < 8.4.21
|
|
Patched |
| 2026 |
CVE-2026-7263
DOMNode processing vulnerability that may lead to memory corruption during XML or HTML processing.
|
High 7.8 |
PHP 8.4 < 8.4.21, PHP 8.5 < 8.5.6
|
|
Patched |
| 2026 |
CVE-2026-7262
Improper memory handling in PHP core components leading to out-of-bounds access.
|
Medium 6.5 |
PHP 8.2 < 8.2.31, 8.3 < 8.3.31, 8.4 < 8.4.21
|
|
Patched |
| 2026 |
CVE-2026-7261
Improper validation of crafted input may cause unexpected behavior and memory corruption.
|
Medium 6.8 |
PHP 8.2 < 8.2.31, 8.3 < 8.3.31, 8.4 < 8.4.21
|
|
Patched |
| 2026 |
CVE-2026-7259
Security weakness fixed in May 2026 PHP security releases.
|
Medium 5.9 |
PHP 8.2 < 8.2.31, 8.3 < 8.3.31, 8.4 < 8.4.21
|
|
Patched |
| 2026 |
CVE-2026-7258
Runtime processing issue corrected in PHP May 2026 security updates.
|
Medium 5.5 |
PHP 8.2 < 8.2.31, 8.3 < 8.3.31, 8.4 < 8.4.21
|
|
Patched |
| 2026 |
CVE-2026-6735
Out-of-bounds memory access vulnerability affecting PHP 8.4 packages.
|
Medium 6.0 |
PHP 8.4 < 8.4.21
|
|
Patched |
| 2026 |
CVE-2026-6104
Embedded NUL bytes in encoding names can trigger out-of-bounds memory reads in mbstring functions.
|
Medium 6.3 |
PHP 8.4 < 8.4.21, PHP 8.5 < 8.5.6
|
|
Patched |
| 2026 |
CVE-2026-24765
Unsafe deserialization of code coverage data in PHPUnit PHPT test execution.
|
High 7.8 |
PHPUnit < 12.5.8, < 11.5.50, < 10.5.62
|
|
Patched |
| 2026 |
CVE-2026-39850
Parameter collision vulnerability affecting Yii file rendering functions.
|
High 8.2 |
Yii 2.x < 2.0.55
|
|
Patched |
| 2025 |
CVE-2025-1234
PHAR Deserialization RCE
|
Critical 9.1 |
PHP 8.3 < 8.3.15, PHP 8.4 < 8.4.2
|
|
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
|
|
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
|
|
Patched |
| 2022 |
CVE-2022-31626
OpenSSL RNG Flaw
|
Critical 9.1 |
PHP 7.3.x - 8.1.x
|
|
Patched |
| 2021 |
CVE-2021-21703
ZIP Path Traversal
|
High 7.5 |
PHP 7.3.x - 8.0.x
|
|
Patched |
| 2020 |
CVE-2020-7069
HTTP Header Injection
|
High 8.1 |
PHP 7.2.x - 7.4.x
|
|
Patched |
| 2006-2010 |
Register Globals
Session Poisoning
|
N/A |
PHP 5.x (register_globals=on), PHP < 4.3.4
|
|
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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