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CVE-2016-4026

22
FAUCET Score

CVE-2016-4026 is a cross-site scripting (XSS) vulnerability affecting Open-Xchange OX App Suite versions prior to 7.8.1-rev11. The content sanitizer fails to properly filter malicious HTML, allowing attackers to inject script code. This medium-severity vulnerability (CVSS 6.1) can lead to session hijacking or unauthorized actions within a user's context, requiring user interaction for exploitation. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.8.1CPE matchmatch criteria
cpe:2.3:a:open-xchange:open-xchange_appsuite:*:rev9:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
49.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0071 is in the 56th percentile among its peer group of 26,208 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

securityfocus.com / archive/1/538732/100/0/threaded
securitytracker.com / id/1036157
Third Party AdvisoryVDB Entry