MEDIUM
Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki before 1.18.5 and 1.19.x before 1.19.2, when unspecified JavaScript gadgets are used, allow remote attackers to inject arbitrary web script or HTML via the userlang parameter to w/index.php
Published Oct 26, 2017
6.1
MEDIUMCVSS 3.0
EPSS 1.55%
Description
Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki before 1.18.5 and 1.19.x before 1.19.2, when unspecified JavaScript gadgets are used, allow remote attackers to inject arbitrary web script or HTML via the userlang parameter to w/index.php.
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.
1.55% 0.01548
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01548
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.55% (0.01548) | 74.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.55% (0.01548) | 71.73th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.46% (0.00458) | 61.88th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00176) | 56.07th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.18% (0.00176) | 54.98th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00176) | 52.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
Weaknesses (1)
References (6)
- http://www.openwall.com/lists/oss-security/2012/08/31/10 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/08/31/6 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=853417 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html mailing-listx_refsource_MLISTPatchVendor Advisory
- https://phabricator.wikimedia.org/T39587 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2012/08/31/10 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2012/08/31/6 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=853417 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html | mailing-listx_refsource_MLISTPatchVendor Advisory | |
| https://phabricator.wikimedia.org/T39587 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Oct 26, 2017
Updated Aug 6, 2024
Reserved Aug 21, 2012
Link CVE-2012-4378
CISA Vulnrichment
Updated n/a