Vulnerability library
Security checkJune 09, 2026

HAX CMS: Stored XSS via '<video-player>' component allows arbitrary JavaScript execution and token theft

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Description

A stored cross-site scripting (XSS) vulnerability exists in HAX CMS due to improper sanitization of the <video-player> component.

The component allows javascript: URIs in the source attribute, which are executed when the page is viewed.

Recommendation

Update the @haxtheweb/video-player package to the latest compatible version. Followings are version details:

  • Affected version(s): <= 25.0.0
  • Patched version(s): 26.0.0

References

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Related Issues

See something that needs correcting? Let us knowUpdated June 09, 2026