What is CVE-2024-52593?

CVE-2024-52593 is a medium-severity vulnerability in Misskey, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2024-12-18.

How severe is CVE-2024-52593?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in Misskey

CVE-2024-52593

Misskey is an open source, federated social media platform.In affected versions missing validation in `NoteCreateService.insertNote`, `ApPersonService.createPerson`, and `ApPersonService.updatePerson` allows an attacker to control the target of any "origin" links (such as the "view on remote instance" banner). Any HTTPS URL can be set, even if it belongs to a different domain than the note / user. Vulnerable Misskey instances will use the unverified URL for several clickable links, allowing an attacker to conduct phishing or other attacks against remote users. This issue has been addressed in version 2024.11.0-alpha.3. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (29.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Misskey — versions 2024.11.0
Misskey-dev Misskey — versions >= 12.29.0, < 2024.11.0-alpha.3

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2024-52593?: CVE-2024-52593 is a medium-severity vulnerability in Misskey, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2024-12-18.
How severe is CVE-2024-52593?: Medium severity. CVSS v3 base score is 5.3 out of 10.