CVE-2025-65754: GO-2025-4228 - Algernon Cross-Site Scripting vulnerability in github.com/xyproto/algernon

CVE-2025-65754 · Severity: medium · CVSS 6.1 · Published 2025-12-10

Cross Site Scripting vulnerability in Algernon v1.17.4 allows attackers to execute arbitrary code via injecting a crafted payload into a filename.

Technologies: github.com/xyproto/algernon (Go). Vendors: Go.

Quick answers

Is CVE-2025-65754 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-65754 being exploited in the wild.
How severe is CVE-2025-65754?
Medium severity, with a CVSS score of 6.1, published 10 December 2025.
Which products and versions are affected?
github.com/xyproto/algernon (Go) SEMVER:introduced=0,fixed=1.17.5.
Is there a fix for CVE-2025-65754?
Yes. github.com/xyproto/algernon (Go): upgrade to 1.17.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-65754?
Check whether you run Algernon Project Algernon or github.com/xyproto/algernon (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

  • github.com/xyproto/algernon (Go): upgrade to 1.17.5 or later
    go get github.com/xyproto/algernon@v1.17.5

Affected products

  • Algernon Project Algernon
  • github.com/xyproto/algernon (Go) SEMVER:introduced=0,fixed=1.17.5

Identifiers

  • CVE-2025-65754
  • GHSA-8jqm-8qm3-qgqm
  • GO-2025-4228

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