PatchTheCVECVE-2013-1668: The uploadFile function in upload/index.php in CosCMS before 1.822 allows remote administrators to execute arb
CVE-2013-1668 is a high-severity flaw (CVSS 8.5) affecting coscms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The uploadFile function in upload/index.php in CosCMS before 1.822 allows remote administrators to execute arbitrary commands via shell metacharacters in the name of an uploaded file.
Why this priority
- High severity
- EPSS top 6%: very likely to be exploited
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.5 (High) |
| EPSS exploit chance | 7.0% (top 6%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2014-05-23 |
| Last modified | 2026-06-16 |
Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Exploit-DB: CosCMS 1.721 - OS Command Injection
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2013-1668?
coscms: upgrade to newer than 1.721. Exact commands for each OS are on this page.
Is CVE-2013-1668 being exploited?
CVE-2013-1668 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2013-1668 affect?
CVE-2013-1668 affects coscms. Severity is high (CVSS 8.5). The uploadFile function in upload/index.php in CosCMS before 1.822 allows remote administrators to execute arbitrary commands via shell metacharacters in the name of an uploaded file.
How urgent is CVE-2013-1668?
Priority 58/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference