CVSS v3
8.8
HIGH
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
jpress v4.2.0 allows users to register an account by default. With the account, user can upload arbitrary files to the server.
Technical details
- Published
- 2022-01-19
Frequently asked questions
What is CVE-2021-45808?
jpress v4.2.0 allows users to register an account by default. With the account, user can upload arbitrary files to the server.
Is CVE-2021-45808 actively exploited?
Active exploitation of CVE-2021-45808 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-45808?
CVE-2021-45808 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2021-45808 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
Other 2021 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).