Cybozu Garoon up to 6.0.3 Message cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Cybozu Garoon up to 6.0.3. It has been classified as problematic. The impacted element is an unknown function of the component Message Handler. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2026-22881. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Cybozu Garoon up to 6.0.3. It has been rated as problematic. This issue affects an unknown code block of the component Message Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

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.

It is possible to read the advisory at kb.cybozu.support. The identification of this vulnerability is CVE-2026-22881 since 01/27/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.9

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔒

CNA Base Score: 5.7
CNA Vector (jpcert): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/27/2026 CVE reserved
02/02/2026 +6 days Advisory disclosed
02/02/2026 +0 days VulDB entry created
02/19/2026 +17 days VulDB entry last update

Sourcesinfo

Vendor: cybozu-global.com

Advisory: kb.cybozu.support
Status: Confirmed

CVE: CVE-2026-22881 (🔒)
GCVE (CVE): GCVE-0-2026-22881
GCVE (VulDB): GCVE-100-343691

Entryinfo

Created: 02/02/2026 08:20
Updated: 02/19/2026 16:49
Changes: 02/02/2026 08:20 (75), 02/19/2026 16:49 (12)
Complete: 🔍
Cache ID: 216::103

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