What’s Vulnerable › Vulnerabilities

CVE-2023-30186

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-14 · updated 2026-07-09
• Weakness: CWE-416

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.

Affected products

• ONLYOFFICE Document Server: from 4.0.3 through 7.3.2

References

• https://gist.github.com/merrychap/25eba8c4dd97c9e545edad1b8f0eadc2
• https://github.com/ONLYOFFICE/DocumentServer
• https://github.com/ONLYOFFICE/core/blob/8ca40a44ce47a86168327a46db91253cf6bb205d/DesktopEditor/doctrenderer/
• https://github.com/ONLYOFFICE/core/blob/8ca40a44ce47a86168327a46db91253cf6bb205d/DesktopEditor/doctrenderer/embed/NativeControlEmbed.cpp#L110
• https://github.com/ONLYOFFICE/core/commit/2b6ad83b36afd9845085b536969d366d1d61150a
• https://gist.github.com/merrychap/25eba8c4dd97c9e545edad1b8f0eadc2
• https://github.com/ONLYOFFICE/DocumentServer
• https://github.com/ONLYOFFICE/core/blob/8ca40a44ce47a86168327a46db91253cf6bb205d/DesktopEditor/doctrenderer/
• https://github.com/ONLYOFFICE/core/blob/8ca40a44ce47a86168327a46db91253cf6bb205d/DesktopEditor/doctrenderer/embed/NativeControlEmbed.cpp#L110
• https://github.com/ONLYOFFICE/core/commit/2b6ad83b36afd9845085b536969d366d1d61150a

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