CVE-2023-24811 - CVE House

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Status published High CVE-2023-24811

Cross site scripting (XSS) vulnerability using url preview in Misskey

7.1 CVSS

Vulnerability Description

Misskey is an open source, decentralized social media platform. In versions prior to 13.3.2 the URL preview function is subject to a cross site scripting vulnerability due to insufficient URL validation. Arbitrary JavaScript is executed when a malicious URL is loaded in the `View in Player` or `View in Window` preview. This has been fixed in version 13.3.2. Users are advised to upgrade. Users unable to upgrade should avoid usage of the `View in Player` or `View in Window` functions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from misskey-dev

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Misskey has a login rate limit bypass via spoofed X-Forwarded-For header

misskey.js's export data contains private post data

Misskey Directory Traversal Vulnerability in AiScript via `Mk:api`

@misskey-dev/summaly Redirect Filter Bypass

Misskey CSS Style Injection Vulnerability In `MkUrlPreview`

Affected Vendor

misskey-dev

View all reports →

Affected Software

misskey

Vulnerable Versions:

< 13.3.2

Timeline

Official Publish: February 22nd, 2023

Last Modified: March 10th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement