CVE-2016-6333: mediawiki Cross-site Scripting
CVSS: 6.1v3.0MediumModified
AliasesDEBIAN-CVE-2016-6333
Published 20-04-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-6333 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mediawiki. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 62.9% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.0 (NVD)EPSS score
1.02%
0%100%
Low · -0.17 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 20-04-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Cross-site scripting (XSS) vulnerability in the CSS user subpage preview feature in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to inject arbitrary web script or HTML via the edit box in Special:MyPage/common.css.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- OSV · DebianEcosystem advisory · calculated6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.02%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
-0.17 pp
From 1.19% on 21-09-2026
21-09-202621-10-2026
EPSS score1.02%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- mediawiki< 1:1.27.1-1
Mediawiki1 product
- mediawiki≤ 1.23.14 | 1.26.0 | 1.26.1 | 1.26.2 | 1.26.3 | 1.26.4 | 1.27.0
2 vendors · 2 products
References
5 links- lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.htmlMailing ListX Refsource MLISTPatchVendor Advisory