Vulnerability in Ewww Image_optimizer

CVE-2016-20010

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.

EPSS: 0.037 (88.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-20010?
CVE-2016-20010 is a critical-severity vulnerability in Ewww Image_optimizer. CVSS score: 10.0/10. Published 2021-05-05.
How severe is CVE-2016-20010?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2016-20010 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.