CVE-2020-10959
mediumpriority · track · 25EPSS 0.014 · 73 %ileEUUSEPSS · scored 2026-10-27
resources/src/mediawiki.page.ready/ready.js in MediaWiki before 1.35 allows remote attackers to force a logout and external redirection via HTML content in a MediaWiki page.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-mqhw-wq8p-vf5rMediaWiki Open Redirect vulnerability2022-05-24ghsa · osvUS
resources/src/mediawiki.page.ready/ready.js in MediaWiki before 1.34.0-rc.0 allows remote attackers to force a logout and external redirection via HTML content in a MediaWiki page.
- BIT-mediawiki-2020-109592024-03-06vendor · osvUS
resources/src/mediawiki.page.ready/ready.js in MediaWiki before 1.35 allows remote attackers to force a logout and external redirection via HTML content in a MediaWiki page.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://gerrit.wikimedia.org/r/c/mediawiki/core/+/536725cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-10959cnnvd
- https://phabricator.wikimedia.org/T232932cnnvd
- https://phabricator.wikimedia.org/T240393cnnvd
- https://gerrit.wikimedia.org/r/c/mediawiki/core/+/536725enisa_euvd
- https://phabricator.wikimedia.org/T232932enisa_euvd
- https://phabricator.wikimedia.org/T240393enisa_euvd
- https://gerrit.wikimedia.org/r/c/mediawiki/core/+/536725PatchThird Party Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan