CRITICAL
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
Published May 5, 2021
10.0
CRITICALCVSS 3.1
EPSS 3.70%
Description
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.
Affected products
No data.
- < 2.8.5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
10.0 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.70% 0.03701
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03701
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.70% (0.03701) | 89.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.70% (0.03701) | 88.28th | v5 (v2026.06.15) |
| Mar 30, 2025 | 6.83% (0.06828) | 90.44th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.23% (0.23232) | 93.45th | v4 (v2025.03.14) |
| Mar 24, 2025 | 6.83% (0.06828) | 90.43th | v4 (v2025.03.14) |
| Mar 23, 2025 | 16.98% (0.16982) | 94.16th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.83% (0.06828) | 90.65th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.35% (0.00353) | 72.78th | v3 (v2023.03.01) |
| Nov 12, 2024 | 0.35% (0.00353) | 72.53th | v3 (v2023.03.01) |
| Jan 19, 2024 | 1.50% (0.01499) | 85.54th | v3 (v2023.03.01) |
| Dec 10, 2023 | 1.49% (0.01487) | 85.34th | v3 (v2023.03.01) |
| Nov 1, 2023 | 1.44% (0.01439) | 85.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.38% (0.01380) | 84.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.98% (0.01978) | 79.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.98% (0.01978) | 77.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.98% (0.01978) | 56.34th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (2)
- https://plugins.trac.wordpress.org/browser/ewww-image-optimizer/trunk/changelog.txt x_refsource_MISCRelease NotesThird Party Advisory
- https://www.wordfence.com/blog/2016/06/vulnerability-ewww-image-optimizer/ x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://plugins.trac.wordpress.org/browser/ewww-image-optimizer/trunk/changelog.txt | x_refsource_MISCRelease NotesThird Party Advisory | |
| https://www.wordfence.com/blog/2016/06/vulnerability-ewww-image-optimizer/ | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 5, 2021
Updated Aug 6, 2024
Reserved May 5, 2021
Link CVE-2016-20010
CISA Vulnrichment
Updated n/a