Wiki.js up to 2.5.263 File Upload cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Wiki.js up to 2.5.263. This vulnerability affects unknown code of the component File Upload Handler. The manipulation results in cross site scripting. This vulnerability is known as CVE-2021-43856. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Wiki.js up to 2.5.263 (Content Management System). Affected is an unknown code block of the component File Upload Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.

The weakness was published 12/28/2021 as GHSA-rhpf-929m-7fm2. The advisory is available at github.com. This vulnerability is traded as CVE-2021-43856 since 11/16/2021. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 2.5.264 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 79bdd4409316adf649806de3e22352297f85cee0 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Wiki.js 2.5.264
Patch: 79bdd4409316adf649806de3e22352297f85cee0

Timelineinfo

11/16/2021 🔍
12/28/2021 +42 days 🔍
12/28/2021 +0 days 🔍
12/31/2021 +3 days 🔍

Sourcesinfo

Advisory: GHSA-rhpf-929m-7fm2
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43856 (🔍)
GCVE (CVE): GCVE-0-2021-43856
GCVE (VulDB): GCVE-100-189390

Entryinfo

Created: 12/28/2021 08:07
Updated: 12/31/2021 09:39
Changes: 12/28/2021 08:07 (53), 12/31/2021 09:39 (2)
Complete: 🔍
Cache ID: 216::103

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