CRITICAL
An issue was discovered in Appnitro MachForm before 4.2.3
Published May 26, 2018
9.8
CRITICALCVSS 3.0
EPSS 5.60%
Description
An issue was discovered in Appnitro MachForm before 4.2.3. When the form is set to filter a blacklist, it automatically adds dangerous extensions to the filters. If the filter is set to a whitelist, the dangerous extensions can be bypassed through ap_form_elements SQL Injection.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
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.
5.60% 0.05602
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.05602
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (69 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 5.60% (0.05602) | 92.67th | v5 (v2026.06.15) |
| Sep 22, 2026 | 5.81% (0.05807) | 92.79th | v5 (v2026.06.15) |
| Sep 21, 2026 | 4.50% (0.04501) | 91.09th | v5 (v2026.06.15) |
| Sep 6, 2026 | 5.81% (0.05807) | 92.63th | v5 (v2026.06.15) |
| Sep 5, 2026 | 4.50% (0.04501) | 90.89th | v5 (v2026.06.15) |
| Aug 30, 2026 | 5.81% (0.05807) | 92.59th | v5 (v2026.06.15) |
| Aug 28, 2026 | 4.50% (0.04501) | 90.84th | v5 (v2026.06.15) |
| Aug 24, 2026 | 5.81% (0.05807) | 92.55th | v5 (v2026.06.15) |
| Aug 23, 2026 | 4.50% (0.04501) | 90.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.88% (0.05881) | 92.24th | v5 (v2026.06.15) |
| Mar 4, 2026 | 11.10% (0.11100) | 93.32th | v4 (v2025.03.14) |
| Mar 1, 2026 | 8.51% (0.08512) | 92.25th | v4 (v2025.03.14) |
| Feb 4, 2026 | 11.10% (0.11100) | 93.27th | v4 (v2025.03.14) |
| Feb 1, 2026 | 8.51% (0.08512) | 92.19th | v4 (v2025.03.14) |
| Jan 4, 2026 | 11.10% (0.11100) | 93.22th | v4 (v2025.03.14) |
| Jan 1, 2026 | 8.51% (0.08512) | 92.14th | v4 (v2025.03.14) |
| Dec 4, 2025 | 11.61% (0.11612) | 93.37th | v4 (v2025.03.14) |
| Dec 1, 2025 | 8.92% (0.08919) | 92.29th | v4 (v2025.03.14) |
| Nov 21, 2025 | 11.61% (0.11612) | 93.37th | v4 (v2025.03.14) |
| Nov 18, 2025 | 9.37% (0.09370) | 91.95th | v4 (v2025.03.14) |
| Nov 4, 2025 | 11.61% (0.11612) | 93.34th | v4 (v2025.03.14) |
| Nov 1, 2025 | 8.92% (0.08919) | 92.24th | v4 (v2025.03.14) |
| Oct 4, 2025 | 11.61% (0.11612) | 93.37th | v4 (v2025.03.14) |
| Oct 1, 2025 | 8.92% (0.08919) | 92.29th | v4 (v2025.03.14) |
| Sep 5, 2025 | 11.61% (0.11612) | 93.41th | v4 (v2025.03.14) |
| Sep 1, 2025 | 8.92% (0.08919) | 92.30th | v4 (v2025.03.14) |
| Aug 23, 2025 | 11.61% (0.11612) | 93.39th | v4 (v2025.03.14) |
| Aug 6, 2025 | 13.46% (0.13459) | 93.91th | v4 (v2025.03.14) |
| Aug 1, 2025 | 10.40% (0.10401) | 92.95th | v4 (v2025.03.14) |
| Jul 5, 2025 | 13.46% (0.13459) | 93.87th | v4 (v2025.03.14) |
| Jul 1, 2025 | 10.40% (0.10401) | 92.89th | v4 (v2025.03.14) |
| Jun 19, 2025 | 13.46% (0.13459) | 93.84th | v4 (v2025.03.14) |
| Jun 16, 2025 | 10.40% (0.10401) | 92.81th | v4 (v2025.03.14) |
| Jun 13, 2025 | 13.46% (0.13459) | 93.83th | v4 (v2025.03.14) |
| Jun 5, 2025 | 15.09% (0.15087) | 94.21th | v4 (v2025.03.14) |
| Jun 1, 2025 | 11.72% (0.11722) | 93.34th | v4 (v2025.03.14) |
| May 21, 2025 | 15.09% (0.15087) | 94.21th | v4 (v2025.03.14) |
| May 20, 2025 | 11.72% (0.11722) | 93.30th | v4 (v2025.03.14) |
| May 4, 2025 | 15.09% (0.15087) | 94.17th | v4 (v2025.03.14) |
| May 1, 2025 | 11.72% (0.11722) | 93.32th | v4 (v2025.03.14) |
| Apr 26, 2025 | 15.09% (0.15087) | 94.17th | v4 (v2025.03.14) |
| Apr 12, 2025 | 17.43% (0.17433) | 94.55th | v4 (v2025.03.14) |
| Apr 11, 2025 | 13.65% (0.13649) | 93.67th | v4 (v2025.03.14) |
| Apr 3, 2025 | 17.43% (0.17433) | 94.54th | v4 (v2025.03.14) |
| Apr 2, 2025 | 13.65% (0.13649) | 93.65th | v4 (v2025.03.14) |
| Mar 30, 2025 | 17.43% (0.17433) | 94.53th | v4 (v2025.03.14) |
| Mar 29, 2025 | 34.30% (0.34305) | 95.32th | v4 (v2025.03.14) |
| Mar 27, 2025 | 17.43% (0.17433) | 94.20th | v4 (v2025.03.14) |
| Mar 26, 2025 | 13.65% (0.13649) | 93.56th | v4 (v2025.03.14) |
| Mar 24, 2025 | 17.43% (0.17433) | 94.51th | v4 (v2025.03.14) |
| Mar 23, 2025 | 13.65% (0.13649) | 93.30th | v4 (v2025.03.14) |
| Mar 17, 2025 | 17.43% (0.17433) | 94.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.33% (0.00331) | 71.97th | v3 (v2023.03.01) |
| Mar 10, 2024 | 0.33% (0.00331) | 70.48th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.40% (0.00395) | 72.74th | v3 (v2023.03.01) |
| Nov 7, 2023 | 0.40% (0.00395) | 70.59th | v3 (v2023.03.01) |
| Oct 17, 2023 | 0.50% (0.00504) | 73.75th | v3 (v2023.03.01) |
| Jun 24, 2023 | 0.62% (0.00619) | 75.87th | v3 (v2023.03.01) |
| Jun 7, 2023 | 0.87% (0.00869) | 80.07th | v3 (v2023.03.01) |
| May 20, 2023 | 1.23% (0.01228) | 83.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.22% (0.01218) | 83.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00954) | 36.37th | v2 (v2022.01.01) |
| Sep 2, 2022 | 0.95% (0.00954) | 34.50th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00954) | 32.50th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00954) | 16.28th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.63% (0.03630) | 71.73th | v1 |
| Jan 6, 2022 | 3.63% (0.03630) | 71.48th | v1 |
| Sep 1, 2021 | 3.63% (0.03630) | 82.60th | v1 |
| Apr 14, 2021 | 3.63% (0.03630) | 0.00th | v1 |
Weaknesses (1)
References (3)
- https://metalamin.github.io/MachForm-not-0-day-EN/ x_refsource_MISCExploitThird Party Advisory
- https://www.exploit-db.com/exploits/44804/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- https://www.machform.com/blog-machform-423-security-release/ x_refsource_MISCRelease NotesVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://metalamin.github.io/MachForm-not-0-day-EN/ | x_refsource_MISCExploitThird Party Advisory | |
| https://www.exploit-db.com/exploits/44804/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry | |
| https://www.machform.com/blog-machform-423-security-release/ | x_refsource_MISCRelease NotesVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 26, 2018
Updated Aug 5, 2024
Reserved Jan 30, 2018
Link CVE-2018-6411
CISA Vulnrichment
Updated n/a