CVE-2026-44651

CVE-2026-44651 · SillyTavern: Reflected XSS vulnerability in the CORS proxy middleware

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SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to 1.18.0, when fetch(url) throws, the code sends: res.status(500).send('Error occurred while trying to proxy to: ' + url + ' ' + error). The url value is attacker-controlled (req.params.url) and is not HTML-escaped before rendering. This vulnerability is fixed in 1.18.0.

CVSS 6.9 · Moyenne · EPSS 0,3% · Correctif disponible

Publication

2026-05-29T17:49:19.494Z

Mise à jour

2026-06-01T15:20:31.759Z

Pile logicielle: node

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