HIGH
A Server Side Template Injection (SSTI) was discovered in the SEOmatic plugin before 3.1.4 for Craft CMS, because requests that don't match any elements incorrectly generate the canonicalUrl, and can lead to execution of Twig code
Published Aug 6, 2018
7.5
HIGHCVSS 3.1
EPSS 33.03%
Description
A Server Side Template Injection (SSTI) was discovered in the SEOmatic plugin before 3.1.4 for Craft CMS, because requests that don't match any elements incorrectly generate the canonicalUrl, and can lead to execution of Twig code.
Affected products
No data.
- < 3.1.4
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.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
33.03% 0.33034
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.33034
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 (35 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 33.03% (0.33034) | 98.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 33.03% (0.33034) | 98.14th | v5 (v2026.06.15) |
| Nov 21, 2025 | 61.60% (0.61605) | 98.23th | v4 (v2025.03.14) |
| Nov 18, 2025 | 59.35% (0.59353) | 98.19th | v4 (v2025.03.14) |
| Oct 7, 2025 | 61.60% (0.61605) | 98.27th | v4 (v2025.03.14) |
| Jun 28, 2025 | 73.87% (0.73873) | 98.74th | v4 (v2025.03.14) |
| Jun 23, 2025 | 56.97% (0.56972) | 97.98th | v4 (v2025.03.14) |
| Mar 30, 2025 | 53.71% (0.53714) | 97.78th | v4 (v2025.03.14) |
| Mar 29, 2025 | 72.00% (0.72002) | 98.33th | v4 (v2025.03.14) |
| Mar 28, 2025 | 53.71% (0.53714) | 97.78th | v4 (v2025.03.14) |
| Mar 27, 2025 | 72.95% (0.72953) | 98.66th | v4 (v2025.03.14) |
| Mar 24, 2025 | 63.93% (0.63932) | 98.30th | v4 (v2025.03.14) |
| Mar 23, 2025 | 72.95% (0.72953) | 98.69th | v4 (v2025.03.14) |
| Mar 20, 2025 | 63.93% (0.63932) | 98.31th | v4 (v2025.03.14) |
| Mar 19, 2025 | 72.95% (0.72953) | 98.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 63.93% (0.63932) | 98.27th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.44% (0.02436) | 89.67th | v3 (v2023.03.01) |
| Jul 16, 2024 | 4.01% (0.04007) | 92.17th | v3 (v2023.03.01) |
| May 16, 2024 | 4.36% (0.04357) | 92.31th | v3 (v2023.03.01) |
| Dec 28, 2023 | 2.27% (0.02274) | 88.48th | v3 (v2023.03.01) |
| Sep 23, 2023 | 3.21% (0.03214) | 90.02th | v3 (v2023.03.01) |
| Sep 4, 2023 | 3.88% (0.03883) | 90.80th | v3 (v2023.03.01) |
| Jul 31, 2023 | 3.96% (0.03961) | 90.81th | v3 (v2023.03.01) |
| Jun 28, 2023 | 4.06% (0.04055) | 90.86th | v3 (v2023.03.01) |
| Apr 3, 2023 | 4.14% (0.04136) | 90.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.86% (0.04861) | 91.47th | v3 (v2023.03.01) |
| Mar 6, 2023 | 15.03% (0.15026) | 95.91th | v2 (v2022.01.01) |
| Oct 13, 2022 | 15.03% (0.15026) | 95.75th | v2 (v2022.01.01) |
| Jul 23, 2022 | 16.97% (0.16971) | 95.99th | v2 (v2022.01.01) |
| Apr 1, 2022 | 19.08% (0.19076) | 96.03th | v2 (v2022.01.01) |
| Feb 4, 2022 | 19.08% (0.19076) | 93.67th | v2 (v2022.01.01) |
| Feb 3, 2022 | 10.45% (0.10445) | 87.57th | v1 |
| Jan 6, 2022 | 10.45% (0.10445) | 87.43th | v1 |
| Sep 1, 2021 | 10.45% (0.10445) | 95.05th | v1 |
| Apr 14, 2021 | 10.45% (0.10445) | 0.00th | v1 |
Weaknesses (1)
References (8)
- http://ha.cker.info/exploitation-of-server-side-template-injection-with-craft-cms-plguin-seomatic/ x_refsource_MISCThird Party Advisory
- https://github.com/advisories/GHSA-6j9m-rp7m-3gfg Advisory
- https://github.com/nystudio107/craft-seomatic/commit/1e7d1d084ac3a89e7ec70620f2749110508d1ce1 x_refsource_CONFIRMVendor Advisory
- https://github.com/nystudio107/craft-seomatic/releases/tag/3.1.4 x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-14716
- https://twitter.com/nystudio107/status/1021847835418009605 x_refsource_CONFIRMVendor Advisory
- https://twitter.com/nystudio107/status/1021855169515057152 x_refsource_CONFIRMVendor Advisory
- https://www.exploit-db.com/exploits/45108/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://ha.cker.info/exploitation-of-server-side-template-injection-with-craft-cms-plguin-seomatic/ | x_refsource_MISCThird Party Advisory | |
| https://github.com/advisories/GHSA-6j9m-rp7m-3gfg | Advisory | |
| https://github.com/nystudio107/craft-seomatic/commit/1e7d1d084ac3a89e7ec70620f2749110508d1ce1 | x_refsource_CONFIRMVendor Advisory | |
| https://github.com/nystudio107/craft-seomatic/releases/tag/3.1.4 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-14716 | ||
| https://twitter.com/nystudio107/status/1021847835418009605 | x_refsource_CONFIRMVendor Advisory | |
| https://twitter.com/nystudio107/status/1021855169515057152 | x_refsource_CONFIRMVendor Advisory | |
| https://www.exploit-db.com/exploits/45108/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 6, 2018
Updated Aug 5, 2024
Reserved Jul 28, 2018
Link CVE-2018-14716
CISA Vulnrichment
GHSA-6J9M-RP7M-3GFG Updated n/a