CVE-2023-30186 json
A use after free issue discovered in ONLYOFFICE DocumentServer 4.0.3 through 7.3.2 allows remote attackers to run arbitrary code via crafte…
published 2023-08-14 3 y ago modified 2026-07-09 4 mo ago also EUVD-2023-34611
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
2.32% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gist.github.com https://gist.github.com/merrychap/25eba8c4dd97c9e545edad1b8f0eadc2 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
github.com
/ONLYOFFICE/core/commit/2b6ad83b36afd9845085b536969d366d1d61150a
patch, vendor-advisory
-
gist.github.com
/merrychap/25eba8c4dd97c9e545edad1b8f0eadc2
exploit, patch, third-party-advisory
-
github.com
/ONLYOFFICE/DocumentServer
product
-
github.com
/ONLYOFFICE/core/blob/8ca40a44ce47a86168327a46db91253cf6bb205d/DesktopEditor/doctrenderer/
product
-
github.com
/ONLYOFFICE/core/blob/8ca40a44ce47a86168327a46db91253cf6bb205d/DesktopEditor/doctrenderer/embed/NativeControlE
not-applicable
Sources
- CVE List CVE-2023-30186
- NVD CVE-2023-30186
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.