Rocket.Chat up to 4.x Style cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Rocket.Chat up to 4.x. It has been rated as problematic. This vulnerability affects unknown code of the component Style Handler. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2022-35251. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Rocket.Chat up to 4.x (Chat Software). This issue affects an unknown function of the component Style 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 summary by CVE is:

A cross-site scripting vulnerability exists in Rocket.chat <v5 due to style injection in the complete chat window, an adversary is able to manipulate not only the style of it, but will also be able to block functionality as well as hijacking the content of targeted users. Hence the payloads are stored in messages, it is a persistent attack vector, which will trigger as soon as the message gets viewed.

The weakness was released 09/24/2022. It is possible to read the advisory at hackerone.com. The identification of this vulnerability is CVE-2022-35251 since 07/06/2022. 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.

Upgrading to version 5.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-38143). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

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

NVD Base Score: 5.4
NVD Vector: 🔍

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: Rocket.Chat 5.0

Timelineinfo

07/06/2022 🔍
09/24/2022 +80 days 🔍
09/24/2022 +0 days 🔍
05/23/2025 +972 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Confirmed

CVE: CVE-2022-35251 (🔍)
GCVE (CVE): GCVE-0-2022-35251
GCVE (VulDB): GCVE-100-209531
EUVD: 🔍

Entryinfo

Created: 09/24/2022 13:10
Updated: 05/23/2025 08:52
Changes: 09/24/2022 13:10 (40), 10/23/2022 13:59 (11), 05/22/2025 22:36 (15), 05/23/2025 08:52 (1)
Complete: 🔍
Cache ID: 216::103

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