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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
Active
User action required
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Thinkinai Deepchat
cpe:2.3:a:thinkinai:deepchat:*:*:*:*:*:*:*:*
|
1.4.7
|
<= 2.5.1
|
References 4
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/ovidijusparsiunas-deep-chat-markdown-…
NVD
https://github.com/OvidijusParsiunas/deep-chat/blob/2.5.1/component/src/views/c…
NVD
https://github.com/OvidijusParsiunas/deep-chat
NVD
https://www.vulncheck.com/advisories/deep-chat-through-2.5.1-xss-via-markdown-l…
VulnCheck Advisory: Deep Chat through 2.5.1 XSS via Markdown Link Validation Bypass