Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter
Published Jan 20, 2017
6.1
MEDIUMCVSS 3.0
EPSS 1.17%
Description
Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.
Affected products
No data.
- ≤ 2.6.9
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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.17% (0.01170) | 66.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.16% (0.01160) | 62.90th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.27% (0.00271) | 48.53th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.10% (0.00104) | 43.60th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.13% (0.00127) | 47.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00127) | 45.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.11% (0.01110) | 29.52th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.11% (0.01110) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/95686 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/symphonycms/symphony-2/issues/2639 x_refsource_CONFIRMVendor Advisory
- https://github.com/symphonycms/symphony-2/releases/tag/2.6.10 x_refsource_CONFIRMRelease Notes
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/95686 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/symphonycms/symphony-2/issues/2639 | x_refsource_CONFIRMVendor Advisory | |
| https://github.com/symphonycms/symphony-2/releases/tag/2.6.10 | x_refsource_CONFIRMRelease Notes |
Change history (0)
No recorded changes yet.