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Vulnerability details: VCID-9nnu-4mda-7qg9
Vulnerability ID VCID-9nnu-4mda-7qg9
Aliases CVE-2021-41798
Summary Multiple vulnerabilities have been found in MediaWiki, the worst of which could result in denial of service.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-41798.json
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
epss 0.00158 https://api.first.org/data/v1/epss?cve=CVE-2021-41798
archlinux Medium https://security.archlinux.org/AVG-2434
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-41798.json
https://api.first.org/data/v1/epss?cve=CVE-2021-41798
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35197
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41798
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41799
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41800
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41801
2009507 https://bugzilla.redhat.com/show_bug.cgi?id=2009507
AVG-2434 https://security.archlinux.org/AVG-2434
GLSA-202305-24 https://security.gentoo.org/glsa/202305-24
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-41798.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.36614
EPSS Score 0.00158
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:58:33.280622+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202305-24 38.0.0