XSS in Appsmith

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 triggeri…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (12.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-7299?
CVE-2026-7299 is a medium-severity vulnerability in Appsmith, classified under Cross-site Scripting. CVSS score: 6.3/10. Published 2026-06-02.
How severe is CVE-2026-7299?
Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2026-7299 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.