CVE-2021-26794
Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute...
Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.
- Record
CVE-2021-26794- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.
- Record
CVE-2021-26794- Updated
- 2026-11-02
EUVDEUVD-2021-13581 No score
Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.
- Record
EUVD-2021-13581- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-25gv-fvh4-vpcx No score
Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute...
Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.
- Record
GHSA-25gv-fvh4-vpcx- Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26794 is a critical vulnerability (CVSS 9.8) in Frogcms Project Frogcms, published September 23, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.60%, the 75th percentile. No source names a fixed version.