XSS in Nocodb
CVE-2026-28398
NocoDB is software for building databases as spreadsheets. Prior to version 0.301.3, user-controlled content in comments and rich text cells was rendered via v-html without sanitization, enabling stored XSS. 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 (15.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.0% 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-8vm4-g489-v3w7 (Vendor Advisory)
- github.com/nocodb/nocodb/releases/tag/0.301.3 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-28398?
- CVE-2026-28398 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-2026-28398?
- Medium severity. CVSS v3 base score is 5.4 out of 10.