includes/upload/UploadBase.php in MediaWiki before 1.19.12, 1.20.x and 1.21.x before 1.21.6, and 1.22.x before 1.22.3 does not prevent use of invalid namespaces in SVG files, which allows remote attackers to conduct cross-site scripting (XSS) attacks via an SVG upload, as demonstrated by use of a W3C XHTML namespace in conjunction with an IFRAME element
Published Mar 2, 2014
4.3
MEDIUMCVSS 2.0
EPSS 2.44%
Description
includes/upload/UploadBase.php in MediaWiki before 1.19.12, 1.20.x and 1.21.x before 1.21.6, and 1.22.x before 1.22.3 does not prevent use of invalid namespaces in SVG files, which allows remote attackers to conduct cross-site scripting (XSS) attacks via an SVG upload, as demonstrated by use of a W3C XHTML namespace in conjunction with an IFRAME element.
Affected products
No data.
- ≤ 1.19.11
- 1.1.0
- 1.10.0
- 1.10.0
- 1.10.0
- 1.10.1
- 1.10.2
- 1.10.3
- 1.10.4
- 1.11
- 1.11.0
- 1.11.0
- 1.11.1
- 1.11.2
- 1.12.0
- 1.12.0
- 1.12.1
- 1.12.2
- 1.12.3
- 1.12.4
- 1.13.0
- 1.13.0
- 1.13.0
- 1.13.1
- 1.13.2
- 1.13.3
- 1.13.4
- 1.14.0
- 1.14.0
- 1.14.1
- 1.15.0
- 1.15.0
- 1.15.1
- 1.15.2
- 1.15.3
- 1.15.4
- 1.15.5
- 1.16.0
- 1.16.0
- 1.16.0
- 1.16.0
- 1.16.1
- 1.16.2
- 1.17
- 1.17
- 1.17.0
- 1.17.0
- 1.17.1
- 1.17.2
- 1.17.3
- 1.17.4
- 1.18
- 1.18
- 1.18.0
- 1.18.0
- 1.18.1
- 1.18.2
- 1.18.3
- 1.19
- 1.19
- 1.19
- 1.19.0
- 1.19.1
- 1.19.2
- 1.19.3
- 1.19.4
- 1.19.5
- 1.19.6
- 1.19.7
- 1.19.8
- 1.19.9
- 1.19.10
- 1.20
- 1.20.1
- 1.20.2
- 1.20.3
- 1.20.4
- 1.20.5
- 1.20.6
- 1.20.7
- 1.20.8
- 1.21
- 1.21.1
- 1.21.2
- 1.21.3
- 1.21.4
- 1.21.5
- 1.22.0
- 1.22.1
- 1.22.2
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.
No CVSS v3.0 score for this CVE.
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.44% (0.02441) | 83.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.43% (0.02430) | 82.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.48% (0.00476) | 62.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.57% (0.00566) | 78.53th | v3 (v2023.03.01) |
| Feb 29, 2024 | 0.57% (0.00566) | 77.21th | v3 (v2023.03.01) |
| Oct 12, 2023 | 0.57% (0.00566) | 75.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.58% (0.00577) | 74.65th | 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) |
References (7)
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-February/000141.html mailing-listx_refsource_MLISTPatchVendor Advisory
- http://openwall.com/lists/oss-security/2014/02/28/1 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2014/03/01/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/65910 vdb-entryx_refsource_BID
- https://bugzilla.redhat.com/show_bug.cgi?id=1071135 x_refsource_CONFIRM
- https://bugzilla.wikimedia.org/show_bug.cgi?id=60771 x_refsource_CONFIRMVendor Advisory
- https://gerrit.wikimedia.org/r/#/q/7d923a6b53f7fbcb0cbc3a19797d741bf6f440eb%2Cn%2Cz x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-February/000141.html | mailing-listx_refsource_MLISTPatchVendor Advisory | |
| http://openwall.com/lists/oss-security/2014/02/28/1 | mailing-listx_refsource_MLIST | |
| http://openwall.com/lists/oss-security/2014/03/01/2 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/65910 | vdb-entryx_refsource_BID | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1071135 | x_refsource_CONFIRM | |
| https://bugzilla.wikimedia.org/show_bug.cgi?id=60771 | x_refsource_CONFIRMVendor Advisory | |
| https://gerrit.wikimedia.org/r/#/q/7d923a6b53f7fbcb0cbc3a19797d741bf6f440eb%2Cn%2Cz | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.