XSS in Oxyno-zeta S3-proxy
CVE-2025-27088
oxyno-zeta/s3-proxy is an aws s3 proxy written in go. In affected versions a Reflected Cross-site Scripting (XSS) vulnerability enables attackers to create malicious URLs that, when visited, inject scripts into the web application. This ca…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.005 (38.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.
Affected products
- Oxyno-zeta S3-proxy — versions < 4.18.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-27088?
- CVE-2025-27088 is a high-severity vulnerability in Oxyno-zeta S3-proxy, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2025-02-20.
- How severe is CVE-2025-27088?
- High severity. CVSS v3 base score is 8.2 out of 10.