CVE-2025-27088

Description

S3-Proxy allows Reflected Cross-site Scripting (XSS) in template implementation in github.com/oxyno-zeta/s3-proxy

How to fix CVE-2025-27088

To remediate CVE-2025-27088, upgrade the affected package to a fixed version below.

• Go/github.com/oxyno-zeta/s3-proxy—upgrade to 0.0.0-20250220214310-c611c741ed48 or later
• Go/github.com/oxyno-zeta/s3-proxy/cmd/s3-proxy—upgrade to 0.0.0-20250220214310-c611c741ed48 or later

Is CVE-2025-27088 being exploited?

Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.

Affected packages (2)

• from 0, < 0.0.0-20250220214310-c611c741ed48
• from 0, < 0.0.0-20250220214310-c611c741ed48

CVSS scores

References (6)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2025-27088
• PATCHgithub.com/oxyno-zeta/s3-proxy
• WEBgithub.com/oxyno-zeta/s3-proxy/blob/master/templates/folder-list.tpl#L19C21-L19C38
• WEBgithub.com/oxyno-zeta/s3-proxy/commit/c611c741ed4872ea3f46232be23bb830f96f9564