XSS in Growi, Inc. Growi

CVE-2026-26291

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (11.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-26291?
CVE-2026-26291 is a medium-severity vulnerability in Growi, Inc. Growi, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-15.
How severe is CVE-2026-26291?
Medium severity. CVSS v3 base score is 5.4 out of 10.