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CVE-2016-4865

18
FAUCET Score

CVE-2016-4865 is a cross-site scripting (XSS) vulnerability affecting Cybozu Office versions 9.0.0 through 10.4.0, allowing an attacker with administrator privileges to inject arbitrary web script or HTML via the Customapp function. This vulnerability has a CVSSv3 score of 4.8 (Medium), indicating a network-based attack requiring high privileges and user interaction, with potential for low impact to confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9.0CPE matchmatch criteria
cpe:2.3:a:cybozu:office:9.0:*:*:*:*:*:*:*
9.1.0CPE matchmatch criteria
cpe:2.3:a:cybozu:office:9.1.0:*:*:*:*:*:*:*
9.2.0CPE matchmatch criteria
cpe:2.3:a:cybozu:office:9.2.0:*:*:*:*:*:*:*
9.2.1CPE matchmatch criteria
cpe:2.3:a:cybozu:office:9.2.1:*:*:*:*:*:*:*
9.3.0CPE matchmatch criteria
cpe:2.3:a:cybozu:office:9.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.84%
Probability of exploitation in next 30 days
EPSS Percentile
54.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0084 is in the 91st percentile among its peer group of 4,931 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / en/contents/2016/JVNDB-2016-000184.html
Third Party AdvisoryVDB Entry
jvn.jp / en/jp/JVN06726266/index.html
Third Party AdvisoryVDB Entry
support.cybozu.com / ja-jp/article/9430
Vendor Advisory
securityfocus.com / bid/93281
Third Party AdvisoryVDB Entry