Vulnerability library
Security checkJune 09, 2026

SillyTavern has a reflected XSS vulnerability in the CORS proxy middleware

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Medium severitynpmsillytavern

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Description

Fixed in SillyTavern 1.18.0: a user-provided URL is no longer reflected in the HTTP response body.

Recommendation

Update the sillytavern package to the latest compatible version. Followings are version details:

  • Affected version(s): <= 1.17.0
  • Patched version(s): 1.18.0

References

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Related Issues

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