Skip to main content
CRITICAL

CVE-2021-26794

CVSS v3

9.8

CRITICAL

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.

Technical details

Published
2021-09-23

Frequently asked questions

What is CVE-2021-26794?

Privilege escalation in 'upload.php' in FrogCMS SentCMS v0.9.5 allows attacker to execute arbitrary code via crafted php file.

Is CVE-2021-26794 actively exploited?

Active exploitation of CVE-2021-26794 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-26794?

CVE-2021-26794 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-26794 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key