CVE-2023-27592: Stored XSS in Miniflux when opening a broken image due to unescaped ServerError in proxy handler

CVE-2023-27592 · Severity: low · CVSS 3.1 · Published 2025-04-02

Stored XSS in Miniflux when opening a broken image due to unescaped ServerError in proxy handler

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

Quick answers

Is CVE-2023-27592 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-27592 being exploited in the wild.
How severe is CVE-2023-27592?
Low severity, with a CVSS score of 3.1, published 2 April 2025.
Which products and versions are affected?
miniflux.app/v2 (Go) SEMVER:introduced=2.0.25,fixed=2.0.43.
Is there a fix for CVE-2023-27592?
Yes. miniflux.app/v2 (Go): upgrade to 2.0.43 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2023-27592?
Check whether you run 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 2.0.43 or later
    go get miniflux.app/v2@v2.0.43

Affected products

  • miniflux.app/v2 (Go) SEMVER:introduced=2.0.25,fixed=2.0.43

Identifiers

  • CVE-2023-27592
  • GHSA-mqqg-xjhj-wfgw

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