CVE-2026-7299: CVE-2026-7299

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-06-02 · updated 2026-07-22
Weakness: CWE-79

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.

Affected products

appsmithorg appsmith: before 1.99 — fixed in 1.99

How to fix

Upgrade to a fixed version: appsmithorg appsmith 1.99. Check the vendor advisory for mitigations.

References

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

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