CVE-2026-20711 | BDVDB-2026-313331 Detail

CybozuCybozu Garoon

Description#

Cross-site scripting vulnerability exists in E-mail function of Cybozu Garoon 5.0.0 to 6.0.3, which may allow an attacker to reset arbitrary users’ passwords.

Impact#

Per CVSS v3.0: confidentiality impact none, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References#

Exploit#

No public exploit known

History#

Version 12026-02-02Record published in the CVE List.

Published

Published: 2026-02-02
Last modified: 2026-02-02

Vendor information

Vendor: Cybozu
Product: Cybozu Garoon

All Cybozu vulnerabilities

Score

6.9 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 17.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
5.0.0 to 6.0.3
Fixed
Not stated

Scoring System

CVSS v4.0

6.9 Medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	Active
Vulnerable System Confidentiality	None
Vulnerable System Integrity	High
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

6.5 Medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity	High
Availability	None

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).