CVE-2015-7776
Cybozu Garoon 3.x and 4.x before 4.2.0 does not properly restrict loading of IMG elements, which...
Cybozu Garoon 3.x and 4.x before 4.2.0 does not properly restrict loading of IMG elements, which makes it easier for remote attackers to track users via a crafted HTML e-mail message, a different vulnerability than CVE-2016-1196.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Cybozu Garoon 3.x and 4.x before 4.2.0 does not properly restrict loading of IMG elements, which makes it easier for remote attackers to track users via a crafted HTML e-mail message, a different vulnerability than CVE-2016-1196.
- Record
CVE-2015-7776- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
Cybozu Garoon 3.x and 4.x before 4.2.0 does not properly restrict loading of IMG elements, which makes it easier for remote attackers to track users via a crafted HTML e-mail message, a different vulnerability than CVE-2016-1196.
- Record
CVE-2015-7776- Updated
- 2026-11-02
EUVDEUVD-2015-7675 No score
Cybozu Garoon 3.x and 4.x before 4.2.0 does not properly restrict loading of IMG elements, which makes it easier for remote attackers to track users via a crafted HTML e-mail message, a different vulnerability than CVE-2016-1196.
- Record
EUVD-2015-7675- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h8p2-jf45-r49w
Cybozu Garoon 3.x and 4.x before 4.2.0 does not properly restrict loading of IMG elements, which...
Cybozu Garoon 3.x and 4.x before 4.2.0 does not properly restrict loading of IMG elements, which makes it easier for remote attackers to track users via a crafted HTML e-mail message, a different vulnerability than CVE-2016-1196.
- Record
GHSA-h8p2-jf45-r49w- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-7776 is a medium vulnerability (CVSS 4.3) in Cybozu Garoon, published June 19, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.30%, the 70th percentile. No source names a fixed version.