CVE-2022-34911: fedoraproject fedora Cross-site Scripting
Vulnerability summary
CVE-2022-34911 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in fedoraproject fedora. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.6% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 02-07-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in MediaWiki before 1.35.7, 1.36.x and 1.37.x before 1.37.3, and 1.38.x before 1.38.1. XSS can occur in configurations that allow a JavaScript payload in a username. After account creation, when it sets the page title to "Welcome" followed by the username, the username is not escaped: SpecialCreateAccount::successfulAction() calls ::showSuccessPage() with a message as second parameter, and OutputPage::setPageTitle() uses text().
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
1.08%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.08% on 20-09-2026
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< 1:1.35.7-1
Fedoraproject1 product
- fedoraEOL36 | 37
Mediawiki1 product
- mediawikiEOL< 1.35.7 | ≥ 1.36.0, < 1.37.3 | 1.38.0 | 1.38.0:rc0 | 1.38.0:rc1
Ubuntu1 product
- mediawikiAll versions (No fix recorded)
4 vendors · 4 products
References
9 links- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- security.gentoo.org/glsa/202305-24Vendor Advisory