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GHSA-jf3g-4gwg-4h66
No affected components available
Summary
An authenticated commenter could store HTML in row comments that executed as script when other users hovered over the comment in the expanded form view.
Details
The comment write paths persisted the raw comment body with no server-side sanitisation;
the expanded-form sidebar then rendered the stored body and fed its data-tooltip
attribute to Tippy with allowHTML: true. Even when the editor stripped script tags
at write time, attribute-level payloads re-entered the DOM as live HTML on hover.
Impact
Stored Cross-Site Scripting against any user who views the affected row. Script runs in
the NocoDB origin with the victim's session and can read the auth JWT from
localStorage. Authentication and comment permission are required.
Credit
This issue was reported by @DavidCarliez. It was independently reported by @Mouhebbenelwafi.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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