CVE-2016-20010
EWWW Image Optimizer before 2.8.5 allows remote command execution because it relies on a...
EWWW Image Optimizer before 2.8.5 allows remote command execution because it relies on a protection mechanism involving boolval, which is unavailable before PHP 5.5.
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
EWWW Image Optimizer before 2.8.5 allows remote command execution because it relies on a protection mechanism involving boolval, which is unavailable before PHP 5.5.
- Record
CVE-2016-20010- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
EWWW Image Optimizer before 2.8.5 allows remote command execution because it relies on a protection mechanism involving boolval, which is unavailable before PHP 5.5.
- Record
CVE-2016-20010- Updated
- 2026-11-02
EUVDEUVD-2016-3098 No score
EWWW Image Optimizer before 2.8.5 allows remote command execution because it relies on a protection mechanism involving boolval, which is unavailable before PHP 5.5.
- Record
EUVD-2016-3098- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rw8g-4h9m-5248 No score
EWWW Image Optimizer before 2.8.5 allows remote command execution because it relies on a...
EWWW Image Optimizer before 2.8.5 allows remote command execution because it relies on a protection mechanism involving boolval, which is unavailable before PHP 5.5.
- Record
GHSA-rw8g-4h9m-5248- 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-2016-20010 is a critical vulnerability (CVSS 10.0) in Ewww Image Optimizer, published May 5, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.70%, the 89th percentile. No source names a fixed version.