---
title: "CVE-2026-54694: SkillTree - Stored XSS & CSRF Token Theft"
description: "SkillTree < 4.4.2 contains a stored XSS caused by unsanitized user input in account registration fields and unsafe HTML rendering in StringHighlighter.js and HighlightedValue.vue, letting attackers execute arbitrary scripts in admin browsers, exploit requires attacker to self-register with crafted input."
url: https://panop.io/threat-heartbeat/CVE-2026-54694/
---

# CVE-2026-54694 SkillTree - Stored XSS & CSRF Token Theft

SkillTree < 4.4.2 contains a stored XSS caused by unsanitized user input in account registration fields and unsafe HTML rendering in StringHighlighter.js and HighlightedValue.vue, letting attackers execute arbitrary scripts in admin browsers, exploit requires attacker to self-register with crafted input.

CVSS base score 9.6 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.47% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-54694)

## Details

Type

Stored XSS

Impact

Remote Code Execution, Cross Site Request Forgery, Client Script Exec

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

Published

9 September 2026

Updated

15 October 2026

Weakness

[CWE-20](https://cwe.mitre.org/data/definitions/20.html)

## Vendor fix

Update to version 4.4.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-54694](https://nvd.nist.gov/vuln/detail/CVE-2026-54694)
- [https://github.com/NationalSecurityAgency/skills-service/security/advisories/GHSA-hqfg-c8wf-w2g8](https://github.com/NationalSecurityAgency/skills-service/security/advisories/GHSA-hqfg-c8wf-w2g8)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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