Zulip cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Zulip. This vulnerability affects unknown code. This manipulation causes cross site scripting. This vulnerability appears as CVE-2021-3866. The attack may be initiated remotely. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Zulip (the affected version is unknown). It has been declared as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity.

The weakness was presented 01/20/2022. The advisory is shared at huntr.dev. This vulnerability is known as CVE-2021-3866 since 10/07/2021. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Applying the patch 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector (huntr.dev): 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6

Timelineinfo

10/07/2021 🔍
01/20/2022 +105 days 🔍
01/20/2022 +0 days 🔍
01/26/2022 +6 days 🔍

Sourcesinfo

Product: github.com

Advisory: 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3866 (🔍)
GCVE (CVE): GCVE-0-2021-3866
GCVE (VulDB): GCVE-100-191293

Entryinfo

Created: 01/20/2022 16:50
Updated: 01/26/2022 09:41
Changes: 01/20/2022 16:50 (46), 01/20/2022 16:51 (1), 01/26/2022 09:41 (3)
Complete: 🔍
Cache ID: 216::103

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