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Description

Appsmith’s SQL query editor’s autocomplete functionality fails to sanitize database object names before rendering them in innerHTML, allowing an authenticated Developer to inject persistent XSS by a malicious table or column names triggering arbitrary code execution in the sessions of other workspace members when they interact with the same datasource.

PUBLISHED Reserved 2026-04-28 | Published 2026-06-02 | Updated 2026-06-02 | Assigner certcc




MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Any version before 2.1
affected

References

www.kb.cert.org/vuls/id/265691

github.com/Stuub/Appsmith-1.98-Stored-XSS-Exploit exploit

github.com/...psmith/security/advisories/GHSA-vvxf-f8q9-86gh

github.com/appsmithorg/appsmith/pull/41666

github.com/Stuub/Appsmith-1.98-Stored-XSS-Exploit

github.com/appsmithorg/appsmith/releases/tag/v2.1

github.com/...ommit/99d69180919981ed9bc5484050d809a5bec68acc

cve.org (CVE-2026-7299)

nvd.nist.gov (CVE-2026-7299)

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