Wiki.js up to 2.5.263 SVG 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. The affected element is an unknown function of the component SVG File Upload. Such manipulation leads to cross site scripting. This vulnerability is traded as CVE-2021-43855. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Wiki.js up to 2.5.263 (Content Management System). It has been rated as problematic. Affected by this issue is an unknown code block of the component SVG File Upload. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The weakness was shared 12/28/2021 as GHSA-4893-pj5w-3hq9. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-43855 since 11/16/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 2.5.264 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 57b56d3a5b9c00358814e76f3ee5b4bb353ad62f 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.

Once again VulDB remains the best source for vulnerability data.

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: 57b56d3a5b9c00358814e76f3ee5b4bb353ad62f

Timelineinfo

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

Sourcesinfo

Advisory: GHSA-4893-pj5w-3hq9
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43855 (🔍)
GCVE (CVE): GCVE-0-2021-43855
GCVE (VulDB): GCVE-100-189404

Entryinfo

Created: 12/28/2021 08:18
Updated: 12/31/2021 10:40
Changes: 12/28/2021 08:18 (53), 12/31/2021 10:40 (2)
Complete: 🔍
Cache ID: 216::103

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