ONLYOFFICE Document Server up to 7.3.2 JavaScript File use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in ONLYOFFICE Document Server up to 7.3.2. This vulnerability affects unknown code of the component JavaScript File Handler. Performing a manipulation results in use after free. This vulnerability is known as CVE-2023-30186. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in ONLYOFFICE Document Server up to 7.3.2. It has been classified as critical. This affects some unknown processing of the component JavaScript File Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 08/14/2023 as 2b6ad83b36afd9845085b536969d366d1d61150a. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-30186 since 04/07/2023. The technical details are unknown and an exploit is not publicly available.

Applying the patch 2b6ad83b36afd9845085b536969d366d1d61150a is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-34611). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2b6ad83b36afd9845085b536969d366d1d61150a

Timelineinfo

04/07/2023 🔍
08/14/2023 +129 days 🔍
08/14/2023 +0 days 🔍
07/10/2026 +1061 days 🔍

Sourcesinfo

Advisory: 2b6ad83b36afd9845085b536969d366d1d61150a
Status: Confirmed

CVE: CVE-2023-30186 (🔍)
GCVE (CVE): GCVE-0-2023-30186
GCVE (VulDB): GCVE-100-237075
EUVD: 🔍

Entryinfo

Created: 08/14/2023 15:27
Updated: 07/10/2026 03:58
Changes: 08/14/2023 15:27 (41), 12/21/2025 06:09 (16), 07/10/2026 03:58 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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