CVE-2026-30862
criticalpriority · track · 10EPSS 0.003 · 25 %ileexploit · PoCEUUSEPSS · scored 2026-10-27
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 (user@gmail.com) 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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.5–9.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- drkim-dev/CVE-2026-30862CVE-2026-30862 | appsmith Privilege Escalation(xss)PoC · poc_in_github
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- BIT-appsmith-2026-30862Critical Stored XSS & Privilege Escalation in Appsmith2026-03-12vendor · osvUS
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 (user@gmail.com) 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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2026-30862cnnvd
- https://github.com/appsmithorg/appsmith/security/advisories/GHSA-5hw4-whxv-6794cnnvd
- https://www.appsmith.com/Patchcnnvd
- https://github.com/appsmithorg/appsmith/security/advisories/GHSA-5hw4-whxv-6794enisa_euvd
- https://github.com/appsmithorg/appsmith/security/advisories/GHSA-5hw4-whxv-6794ExploitMitigationVendor Advisorynvd
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