Nextcloud Desktop up to 3.6.0 HTML HTML injection

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

Summaryinfo

A vulnerability has been found in Nextcloud Desktop up to 3.6.0 and classified as problematic. This impacts an unknown function of the component HTML Handler. This manipulation causes HTML injection. The identification of this vulnerability is CVE-2022-39332. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Nextcloud Desktop up to 3.6.0 (Cloud Software). Affected by this vulnerability is an unknown part of the component HTML Handler. The manipulation with an unknown input leads to a html injection 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 summary by CVE is:

Nexcloud desktop is the Desktop sync client for Nextcloud. An attacker can inject arbitrary HyperText Markup Language into the Desktop Client application via user status and information. It is recommended that the Nextcloud Desktop client is upgraded to 3.6.1. There are no known workarounds for this issue.

The weakness was shared 11/26/2022 as GHSA-q9f6-4r6r-h74p. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-39332 since 09/02/2022. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 265376 (Debian dla-4303 : caja-nextcloud - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.6.1 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.

The vulnerability is also documented in the vulnerability database at Tenable (265376). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 4.6
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: HTML injection
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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Nessus ID: 265376
Nessus Name: Debian dla-4303 : caja-nextcloud - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Desktop 3.6.1
Patch: github.com

Timelineinfo

09/02/2022 🔍
11/26/2022 +85 days 🔍
11/26/2022 +0 days 🔍
11/05/2025 +1075 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-q9f6-4r6r-h74p
Status: Confirmed

CVE: CVE-2022-39332 (🔍)
GCVE (CVE): GCVE-0-2022-39332
GCVE (VulDB): GCVE-100-214399

Entryinfo

Created: 11/26/2022 08:01
Updated: 11/05/2025 13:08
Changes: 11/26/2022 08:01 (53), 12/23/2022 13:25 (11), 09/20/2025 16:38 (16), 11/05/2025 13:08 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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