XSS in Nocodb
CVE-2026-28359
NocoDB is software for building databases as spreadsheets. Prior to version 0.301.3, an authenticated user with Editor role can inject arbitrary HTML into Rich Text cells by bypassing the TipTap editor and sending raw HTML via the API. This issue has been patched in version 0.301.3.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.003 · change: +0.001
Affected products
- Nocodb — versions < 0.301.3
Weakness classification (CWE)
References
- github.com/nocodb/nocodb/security/advisories/GHSA-qxwq-q265-hc44 (Vendor Advisory)
- github.com/nocodb/nocodb/releases/tag/0.301.3 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-28359?
- CVE-2026-28359 is a medium-severity vulnerability in Nocodb, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-03-02.
- How severe is CVE-2026-28359?
- Medium severity. CVSS v3 base score is 5.4 out of 10.