MediaWiki before 1.19.6 and 1.20.x before 1.20.5 allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated by a CDATA section containing valid UTF-7 encoded sequences in a SVG file, which is then incorrectly interpreted as UTF-8 by Chrome and Firefox
Published Nov 15, 2013
4.3
MEDIUMCVSS 2.0
EPSS 2.50%
Description
MediaWiki before 1.19.6 and 1.20.x before 1.20.5 allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated by a CDATA section containing valid UTF-7 encoded sequences in a SVG file, which is then incorrectly interpreted as UTF-8 by Chrome and Firefox.
Affected products
No data.
Configuration 2
- ≤ 1.19.5
- 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
- 1.20.1
- 1.20.2
- 1.20.3
- 1.20.4
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 3, 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.50% (0.02502) | 84.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.50% (0.02502) | 82.59th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.79% (0.01786) | 81.09th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.10% (0.03105) | 77.91th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.79% (0.01786) | 81.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.42% (0.00416) | 74.93th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00416) | 73.41th | v3 (v2023.03.01) |
| Jun 28, 2023 | 0.42% (0.00416) | 70.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.43% (0.00425) | 70.31th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.96% (0.01955) | 55.71th | v2 (v2022.01.01) |
References (11)
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105784.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105825.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106293.html vendor-advisoryx_refsource_FEDORA
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-April/000129.html mailing-listx_refsource_MLISTPatch
- http://secunia.com/advisories/55433 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/57472 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201310-21.xml vendor-advisoryx_refsource_GENTOO
- http://www.debian.org/security/2014/dsa-2891 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2013/05/01/2 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/59594 vdb-entryx_refsource_BID
- https://bugzilla.wikimedia.org/show_bug.cgi?id=47304 x_refsource_CONFIRM
Change history (0)
No recorded changes yet.