The escapeshellarg function in ext/standard/exec.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 on Windows allows remote attackers to execute arbitrary OS commands via a crafted string to an application that accepts command-line arguments for a call to the PHP system function.
2016-05-16T10:59:14.533
2025-04-12T10:46:40.837
Deferred
CVSSv3.0: 9.8 (CRITICAL)
AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | microsoft | windows | * | No |
| Application | php | php | ≤ 5.4.41 | Yes |
| Application | php | php | 5.5.0 | Yes |
| Application | php | php | 5.5.1 | Yes |
| Application | php | php | 5.5.2 | Yes |
| Application | php | php | 5.5.3 | Yes |
| Application | php | php | 5.5.4 | Yes |
| Application | php | php | 5.5.5 | Yes |
| Application | php | php | 5.5.6 | Yes |
| Application | php | php | 5.5.7 | Yes |
| Application | php | php | 5.5.8 | Yes |
| Application | php | php | 5.5.9 | Yes |
| Application | php | php | 5.5.10 | Yes |
| Application | php | php | 5.5.11 | Yes |
| Application | php | php | 5.5.12 | Yes |
| Application | php | php | 5.5.13 | Yes |
| Application | php | php | 5.5.14 | Yes |
| Application | php | php | 5.5.15 | Yes |
| Application | php | php | 5.5.16 | Yes |
| Application | php | php | 5.5.17 | Yes |
| Application | php | php | 5.5.18 | Yes |
| Application | php | php | 5.5.19 | Yes |
| Application | php | php | 5.5.20 | Yes |
| Application | php | php | 5.5.21 | Yes |
| Application | php | php | 5.5.22 | Yes |
| Application | php | php | 5.5.23 | Yes |
| Application | php | php | 5.5.24 | Yes |
| Application | php | php | 5.5.25 | Yes |
| Application | php | php | 5.6.0 | Yes |
| Application | php | php | 5.6.1 | Yes |
| Application | php | php | 5.6.2 | Yes |
| Application | php | php | 5.6.3 | Yes |
| Application | php | php | 5.6.4 | Yes |
| Application | php | php | 5.6.5 | Yes |
| Application | php | php | 5.6.6 | Yes |
| Application | php | php | 5.6.7 | Yes |
| Application | php | php | 5.6.8 | Yes |
| Application | php | php | 5.6.9 | Yes |