MEDIUM
An issue was discovered in Joomla! before 3.9.3
Published Feb 12, 2019
6.1
MEDIUMCVSS 3.0
EPSS 0.79%
Description
An issue was discovered in Joomla! before 3.9.3. A combination of specific web server configurations, in connection with specific file types and browser-side MIME-type sniffing, causes an XSS attack vector.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.1 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.79% 0.00793
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.00793
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.79% (0.00793) | 54.83th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.79% (0.00793) | 54.81th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00103) | 42.54th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.10% (0.00103) | 42.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00103) | 40.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Mar 31, 2022 | 2.14% (0.02139) | 57.84th | v2 (v2022.01.01) |
| Jan 6, 2022 | 1.95% (0.01953) | 49.47th | v1 |
| Jan 5, 2022 | 0.44% (0.00442) | 28.89th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.44% (0.00442) | 0.00th | v1 |
Weaknesses (1)
References (1)
- https://developer.joomla.org/security-centre/766-20190202-core-browserside-mime-type-sniffing-causes-xss-attack-vectors x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://developer.joomla.org/security-centre/766-20190202-core-browserside-mime-type-sniffing-causes-xss-attack-vectors | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 12, 2019
Updated Aug 4, 2024
Reserved Feb 11, 2019
Link CVE-2019-7742
CISA Vulnrichment
Updated n/a