Vulnerability Report

CVE-2026-7299

Title: Persistent XSS via unsanitized SQL query editor in Appsmith

XSS

Proof Of Concept

PoC Available for CVE-2026-7299

CWE Category NVD-CWE-noinfo

Published Date Jun 02, 2026

Modified Date Jun 04, 2026

Exploit Status Available

Score 6.3 CVSS v3.1

Exploit Probability (EPSS)

0.25%

Vulnerability Summary

CVE-2026-7299: 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.

Impacted Vendors

appsmith 1

Reference Links

https://github.com/Stuub/Appsmith-1.98-Stored-XSS-Exploit https://github.com/appsmithorg/appsmith/commit/99d69180919981ed9bc5484050d809a5bec68acc https://github.com/appsmithorg/appsmith/pull/41666 https://github.com/appsmithorg/appsmith/releases/tag/v2.1 https://github.com/appsmithorg/appsmith/security/advisories/GHSA-vvxf-f8q9-86gh https://www.kb.cert.org/vuls/id/265691

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.4

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

6.3

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-7299 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/Stuub/Appsmith-1.98-Stored-XSS-Exploit

View Code

June 04, 2026 MODIFIED

Vulnerability data updated via NVD.

June 02, 2026 MODIFIED

Vulnerability data updated via NVD.

June 02, 2026 MODIFIED

Vulnerability data updated via NVD.

June 02, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected Stack

No specific products linked.