CVE-2026-28398: NocoDB: Stored Cross-Site Scripting via Comments and Rich Text Cells

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-02 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

nocodb: before 0.301.3 — fixed in 0.301.3

How to fix

Upgrade to a fixed version: nocodb 0.301.3. Check the vendor advisory for mitigations.

References

https://github.com/nocodb/nocodb/releases/tag/0.301.3
https://github.com/nocodb/nocodb/security/advisories/GHSA-8vm4-g489-v3w7

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