Stored Cross-Site Scripting Vulnerability in GROWI by Hishidama
CVE-2026-26291

4.8MEDIUM

Key Information:

Vendor

Growi, Inc.

Status
Growi
Vendor
CVE Published:
15 April 2026

What is CVE-2026-26291?

A stored cross-site scripting vulnerability exists in GROWI versions 7.4.6 and earlier, allowing an attacker to inject arbitrary scripts. Once executed in a user's web browser, this can lead to unauthorized access, data theft, or session hijacking. Web administrators are advised to update to the latest version to mitigate potential security risks.

Affected Version(s)

GROWI v7.4.6 and earlier

References

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

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

CVSS V3.0

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.