CVE-2026-108852
mediumDeep Chat through 2.5.1 contains a cross-site scripting vulnerability that allows attackers to inject javascript: links because RemarkableConfig.createNew disa…
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.
CVSS
4.7
4.7 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-10-11 14:17
Modified: 2026-10-16 19:18
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:58 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/OvidijusParsiunas/deep-chat disclosure@vulncheck.com
- https://github.com/OvidijusParsiunas/deep-chat/blob/2.5.1/component/src/views/chat/message... disclosure@vulncheck.com
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/ovidijusparsiunas-deep-chat-markdown-scheme-vali... disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/deep-chat-through-2.5.1-xss-via-markdown-link-validat... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:58 UTC · record ↗