CVE-2023-30186
CVSS v3
9.8
CRITICAL
EPSS Score
2.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A use after free issue discovered in ONLYOFFICE DocumentServer 4.0.3 through 7.3.2 allows remote attackers to run arbitrary code via crafted JavaScript file.
Technical details
- Published
- 2023-08-14
Frequently asked questions
What is CVE-2023-30186?
A use after free issue discovered in ONLYOFFICE DocumentServer 4.0.3 through 7.3.2 allows remote attackers to run arbitrary code via crafted JavaScript file.
Is CVE-2023-30186 actively exploited?
Active exploitation of CVE-2023-30186 has not been confirmed. Its EPSS score was 2.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-30186?
CVE-2023-30186 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2023-30186 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 2023 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).