Misskey up to 13.4.x javascript Scheme cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Misskey up to 13.4.x. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component javascript Scheme Handler. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2023-25154. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Misskey up to 13.4.x and classified as problematic. This issue affects an unknown code block of the component javascript Scheme 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:

Misskey is an open source, decentralized social media platform. In versions prior to 13.5.0 the link to the instance to the sender that appears when viewing a user or note received through ActivityPub is not properly validated, so by inserting a URL with a javascript scheme an attacker may execute JavaScript code in the context of the recipient. This issue has been fixed in version 13.5.0. Users are advised to upgrade. Users unable to upgrade should not "view on remote" for untrusted instances.

The weakness was shared 02/22/2023 as GHSA-pfp5-r48x-fg25. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-25154 since 02/03/2023. 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 13.5.0 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 7.1
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: Misskey 13.5.0

Timelineinfo

02/03/2023 🔍
02/22/2023 +19 days 🔍
02/22/2023 +0 days 🔍
03/24/2023 +30 days 🔍

Sourcesinfo

Advisory: GHSA-pfp5-r48x-fg25
Status: Confirmed

CVE: CVE-2023-25154 (🔍)
GCVE (CVE): GCVE-0-2023-25154
GCVE (VulDB): GCVE-100-221639

Entryinfo

Created: 02/22/2023 20:33
Updated: 03/24/2023 09:00
Changes: 02/22/2023 20:33 (50), 03/24/2023 09:00 (11)
Complete: 🔍
Cache ID: 216::103

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