What is CVE-2025-66040?

CVE-2025-66040 is a low-severity vulnerability in Spotipy-dev Spotipy, classified under Cross-site Scripting. CVSS score: 3.6/10. Published 2025-11-26.

How severe is CVE-2025-66040?

Low severity. CVSS v3 base score is 3.6 out of 10.

XSS in Spotipy-dev Spotipy

CVE-2025-66040

Spotipy is a Python library for the Spotify Web API. Prior to version 2.25.2, there is a cross-site scripting (XSS) vulnerability in the OAuth callback server that allows for JavaScript injection through the unsanitized error parameter. At…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (5.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.6 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Spotipy-dev Spotipy — versions < 2.25.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/spotipy-dev/spotipy/security/advisories/GHSA-r77h-rpp9-w2xm (x_refsource_CONFIRM)
https://github.com/spotipy-dev/spotipy/commit/880b92d7243dcf2b83bf31dc365a858d8b5e6767 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-66040?: CVE-2025-66040 is a low-severity vulnerability in Spotipy-dev Spotipy, classified under Cross-site Scripting. CVSS score: 3.6/10. Published 2025-11-26.
How severe is CVE-2025-66040?: Low severity. CVSS v3 base score is 3.6 out of 10.