CVE-2026-30862
CRITICALCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Lifecycle Timeline
2Description
Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 1.96, a Critical Stored XSS vulnerability exists in the Table Widget (TableWidgetV2). The root cause is a lack of HTML sanitization in the React component rendering pipeline, allowing malicious attributes to be interpolated into the DOM. By leveraging the "Invite Users" feature, an attacker with a regular user account ([email protected]) can force a System Administrator to execute a high-privileged API call (/api/v1/admin/env), resulting in a Full Administrative Account Takeover. This vulnerability is fixed in 1.96.
Analysis
Appsmith platform prior to version 1.96 has a critical stored XSS enabling account takeover through crafted admin panel content.
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Remediation
Within 24 hours: Audit all Appsmith instances to identify version numbers and inventory Table Widget usage in production dashboards. Within 7 days: Implement compensating controls (disable TableWidgetV2 where feasible, apply WAF rules to block XSS payloads, restrict Appsmith access to trusted networks only). …
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External POC / Exploit Code
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