CVE-2021-28976 EXPLOIT
7.2
HIGH · CVSS 3.1 · EPSS 7.5% (pctl 94)
Patch early
A public exploit exists.
Description
Remote Code Execution vulnerability in GetSimpleCMS before 3.3.16 in admin/upload.php via phar filess.
Scoring
| CVSS | 7.2 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 7.55% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-434 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2021-06-23 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| get-simple | getsimplecms |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | GetSimpleCMS 3.3.16 - Remote Code Execution (RCE) | 2025-04-11 |
References
→ the Explorer · watch your stack · NVD