What is CVE-2023-49952?

CVE-2023-49952 is a high-severity vulnerability in Joinmastodon Mastodon, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2024-11-18.

How severe is CVE-2023-49952?

High severity. CVSS v3 base score is 7.5 out of 10.

XSS in Joinmastodon Mastodon

CVE-2023-49952

Mastodon 4.1.x before 4.1.17 and 4.2.x before 4.2.9 allows a bypass of rate limiting via a crafted HTTP request header.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (37.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Joinmastodon Mastodon
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Product)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2023-49952?: CVE-2023-49952 is a high-severity vulnerability in Joinmastodon Mastodon, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2024-11-18.
How severe is CVE-2023-49952?: High severity. CVSS v3 base score is 7.5 out of 10.