CVE-2026-22881 Cross-site scripting in Cybozu Garoon
An XSS vulnerability in the Message function allows attackers to reset arbitrary users' passwords, leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-22881?
CVE-2026-22881 is a medium-severity cross-site scripting vulnerability in Cybozu Garoon, published on 2 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting vulnerability exists in Message function of Cybozu Garoon 5.15.0 to 6.0.3, which may allow an attacker to reset arbitrary users’ passwords.
Weakness: CWE-79
Which versions are affected by CVE-2026-22881?
It affects 1 product.
Products include Cybozu Garoon.
How do I fix CVE-2026-22881?
No fix has been published for CVE-2026-22881 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-22881 being exploited?
There is no known exploitation of CVE-2026-22881 in the wild and no public exploit code.
Other vulnerabilities in Cybozu Garoon
Sources
Also known as GHSA-5pq5-2786-pgrm.