Nextcloud Talk up to 10.0.6/10.1.3/11.1.1 File 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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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Nextcloud Talk up to 10.0.6/10.1.3/11.1.1 and classified as problematic. This affects an unknown part of the component File Handler. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2021-39222. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Nextcloud Talk up to 10.0.6/10.1.3/11.1.1 (Cloud Software). It has been rated as problematic. Affected by this issue is an unknown code of the component File Handler. 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 presented 11/18/2021 as GHSA-xhxq-f4vg-jw5g. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-39222 since 08/16/2021. 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 10.0.7, 10.1.4, 11.1.2, 11.2.0 or 12.0.0 eliminates this vulnerability. Applying a patch 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

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 6.4
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

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: Talk 10.0.7/10.1.4/11.1.2/11.2.0/12.0.0
Patch: github.com

Timelineinfo

08/16/2021 🔍
11/18/2021 +94 days 🔍
11/18/2021 +0 days 🔍
11/21/2021 +3 days 🔍

Sourcesinfo

Advisory: GHSA-xhxq-f4vg-jw5g
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-39222 (🔍)
GCVE (CVE): GCVE-0-2021-39222
GCVE (VulDB): GCVE-100-186848

Entryinfo

Created: 11/18/2021 07:37
Updated: 11/21/2021 12:55
Changes: 11/18/2021 07:37 (68), 11/21/2021 12:55 (2)
Complete: 🔍
Cache ID: 216::103

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