CVE-2021-45473

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

In MediaWiki through 1.37, Wikibase item descriptions allow XSS, which is triggered upon a visit to an action=info URL (aka a page-information sidebar).

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://gerrit.wikimedia.org/r/q/I3cd080a1a7dacd7396d37ee0c98cff0b4e241f8dThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/
https://phabricator.wikimedia.org/T294693Exploit, Third Party Advisory
https://gerrit.wikimedia.org/r/q/I3cd080a1a7dacd7396d37ee0c98cff0b4e241f8dThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/
https://phabricator.wikimedia.org/T294693Exploit, Third Party Advisory

Timeline

Published: Dec 24, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-454746.1In MediaWiki through 1.37, the Special:ImportFile URI (aka FileImporter) allows XSS, as demonstrated by the clientUrl parameter.CVE-2021-454755.3Yordam Library Information Document Automation product before version 19.02 has an unauthenticated Information disclosure vulnerability.CVE-2021-454764.7Yordam Library Information Document Automation product before version 19.02 has an unauthenticated reflected XSS vulnerability.CVE-2021-454776.5Improper Handling of Parameters vulnerability in Bordam Information Technologies Library Automation System allows Collect Data as Provided b CVE-2021-454786.5Improper Handling of Parameters vulnerability in Bordam Information Technologies Library Automation System allows Collect Data as Provided b CVE-2021-454795.4Improper Neutralization of Input During Web Page Generation vulnerability in Yordam Information Technologies Library Automation System allow CVE-2021-454805.5An issue was discovered in the Linux kernel before 5.15.11. There is a memory leak in the __rds_conn_create() function in net/rds/connection CVE-2021-454816.5In WebKitGTK before 2.32.4, there is incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::create, leading to a segme CVE-2021-454826.5In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::ContainerNode::firstChild, a different vulnerability than CVE-2021-30889.CVE-2021-454836.5In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::Frame::page, a different vulnerability than CVE-2021-30889.CVE-2021-454847.5In NetBSD through 9.2, the IPv6 fragment ID generation algorithm employs a weak cryptographic PRNG.CVE-2021-454857.5In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a has