CVE-2025-31483: Miniflux Media Proxy vulnerable to Stored Cross-site Scripting due to improper Content-Security-Policy configuration

CVE-2025-31483 · Severity: medium · CVSS 4 · Published 2025-04-09

Miniflux Media Proxy vulnerable to Stored Cross-site Scripting due to improper Content-Security-Policy configuration in miniflux.app

Technologies: miniflux.app (Go), miniflux.app/v2 (Go). Vendors: Go.

Quick answers

Is CVE-2025-31483 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-31483 being exploited in the wild.
How severe is CVE-2025-31483?
Medium severity, with a CVSS score of 4, published 9 April 2025.
Which products and versions are affected?
miniflux.app (Go) SEMVER:introduced=0; miniflux.app/v2 (Go) SEMVER:introduced=0,fixed=2.2.7.
Is there a fix for CVE-2025-31483?
Yes. miniflux.app/v2 (Go): upgrade to 2.2.7 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-31483?
Check whether you run miniflux.app (Go) or miniflux.app/v2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • miniflux.app/v2 (Go): upgrade to 2.2.7 or later
    go get miniflux.app/v2@v2.2.7

Affected products

  • miniflux.app (Go) SEMVER:introduced=0
  • miniflux.app/v2 (Go) SEMVER:introduced=0,fixed=2.2.7

Identifiers

  • CVE-2025-31483
  • GHSA-cq88-842x-2jhp
  • GO-2025-3591

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