CVE-2016-8899
Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules...
Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules/core/controllers/expCatController.php related to change_cats.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules/core/controllers/expCatController.php related to change_cats.
- Record
CVE-2016-8899- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-74
- Updated
- 2026-11-02
CVE List No score
Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules/core/controllers/expCatController.php related to change_cats.
- Record
CVE-2016-8899- Updated
- 2026-11-02
EUVDEUVD-2016-9724 No score
Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules/core/controllers/expCatController.php related to change_cats.
- Record
EUVD-2016-9724- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-674r-wf6w-rpj5
Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules...
Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules/core/controllers/expCatController.php related to change_cats.
- Record
GHSA-674r-wf6w-rpj5- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-74
- Updated
- 2026-11-02
OSV
Exponent CMS version 2.3.9 suffers from a Object Injection vulnerability in framework/modules/core/controllers/expCatController.php related to change_cats.
- Record
CVE-2016-8899- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-8899 is a critical vulnerability (CVSS 9.8) in Exponentcms Exponent Cms, published May 23, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.11%, the 81st percentile. No source names a fixed version.