CVE Catalog

CVE-2026-108852

MediumCVSS 4.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.19%

8th percentile - higher than 8% of all known CVEs

Summary

Deep Chat through 2.5.1 contains a cross-site scripting vulnerability that allows attackers to inject javascript: links because RemarkableConfig.createNew disables Remarkable link validation. Attackers can place crafted Markdown links in AI responses, addMessage content, or loaded history to execute script in the embedding page when victims click them.

Risk Assessment

The risk is the ability to execute scripts in the victim's browser, potentially leading to data theft, session hijacking, or other attacks.

Recommendation

It is recommended to update Deep Chat to a version that restores link validation and filter Markdown content before rendering.

Related vulnerabilities

Original NVD description (English source)

Deep Chat through 2.5.1 contains a cross-site scripting vulnerability that allows attackers to inject javascript: links because RemarkableConfig.createNew disables Remarkable link validation. Attackers can place crafted Markdown links in AI responses, addMessage content, or loaded history to execute script in the embedding page when victims click them.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS