Cross-site scripting (XSS) vulnerability in MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1, when is configured with a relative URL, allows remote authenticated users to inject arbitrary web script or HTML via wikitext, as demonstrated by a wikilink to a page named "javascript:alert('XSS!')."
Published Mar 23, 2017
6.1
MEDIUMCVSS 3.0
EPSS 1.48%
Description
Cross-site scripting (XSS) vulnerability in MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1, when is configured with a relative URL, allows remote authenticated users to inject arbitrary web script or HTML via wikitext, as demonstrated by a wikilink to a page named "javascript:alert('XSS!')."
Affected products
No data.
- ≤ 1.23.11
- 1.24.0
- 1.24.1
- 1.24.2
- 1.24.3
- 1.24.4
- 1.25.0
- 1.25.1
- 1.25.2
- 1.25.3
- 1.26.0
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
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 | 1.48% (0.01477) | 72.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.48% (0.01477) | 70.40th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.36% (0.00364) | 56.32th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.17% (0.00167) | 54.76th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.17% (0.00167) | 53.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00167) | 51.61th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (4)
- http://www.openwall.com/lists/oss-security/2015/12/21/8 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/23/7 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html mailing-listx_refsource_MLISTPatchRelease NotesVendor Advisory
- https://phabricator.wikimedia.org/T117899 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2015/12/21/8 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2015/12/23/7 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html | mailing-listx_refsource_MLISTPatchRelease NotesVendor Advisory | |
| https://phabricator.wikimedia.org/T117899 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory |
Change history (0)
No recorded changes yet.