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📦 npm

GHSA-wxf3-4fvj-vqqx

HIGH

Unsafe plugins can be installed via pack import by tenant admins

Published
Jul 27, 2023
Updated
Feb 3, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
📦@saltcorn/cli

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects npm packages — download data is not available via public APIs for these ecosystems.

Description

Summary

Unsafe plugins (for instance sql-list) can be installed in subdomain tenants via pack import even if unsafe plugin installation for tenants is disables

Details

I have an example https://bot20230704.saltcorn.com/view/all_plugins It's publicly accessible (but has not so secure values except list of tenants). But using this mech one can read any data from other tenants.

Impact

All tenants of installation (i.e. saltcorn.com), can be compromised from tenant user has admin access. If an untrusted user has admin rights to a tenant instance, they will be able to install a plug-in that can access information from other tenants

Revived after 0.8.7

After patch in 0.8.7 this is not fixed completely.

Here are steps to reproduce:

  1. Publish to NPM plugin that was not approved by admin (in case of saltcorn.com) by @glutamate. I've just published this one: https://www.npmjs.com/package/saltcorn-qrcode
  2. Publish somewhere plugin store that includes plugin from previous step: https://gist.github.com/pyhedgehog/f1fd7cb13f4d0a7ccf6a965748d19bd2
  3. Add plugin store link to tenant store.
  4. Install plugin.
  5. Use it in tenant: https://bot20230704.saltcorn.com/view/testqr_show/1

Here are logic: Unsafe plugins checked against this list: https://github.com/saltcorn/saltcorn/blob/99fe277e497fd193bb070acd8c663aa254a9907c/packages/server/load_plugins.js#L191 But it's under control of tenant admin, not server admin. Proposed login:

const safes = getRootState().getConfig("available_plugins",[]).filter(p=>!p.unsafe).map(p=>p.location);

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
📦npm@saltcorn/cliall versions0.8.8-beta.2

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for @saltcorn/cli. 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.

  2. Fix

    Update @saltcorn/cli to 0.8.8-beta.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-wxf3-4fvj-vqqx is resolved across your whole dependency graph.

  3. 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.

  4. How O3 protects you

    O3 pinpoints whether GHSA-wxf3-4fvj-vqqx 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-wxf3-4fvj-vqqx. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Summary Unsafe plugins (for instance `sql-list`) can be installed in subdomain tenants via pack import even if unsafe plugin installation for tenants is disables ### Details I have an example https://bot20230704.saltcorn.com/view/all_plugins It's publicly accessible (but has not so secure values except list of tenants). But using this mech one can read **any** data from other tenants. ### Impact All tenants of installation (i.e. `saltcorn.com`), can be compromised from tenant user has admin access. If an untrusted user has admin rights to a tenant instance, they will be able to install a
O3 Security · Impact-Aware SCA

Is GHSA-wxf3-4fvj-vqqx in your dependencies?

O3 detects GHSA-wxf3-4fvj-vqqx across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.