Vulnerability Details CVE-2020-15164
in Scratch Login (MediaWiki extension) before version 1.1, any account can be logged into by using the same username with leading, trailing, or repeated underscore(s), since those are treated as whitespace and trimmed by MediaWiki. This affects all users on any wiki using this extension. Since version 1.1, comments by users whose usernames would be trimmed on MediaWiki are ignored when searching for the verification code.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 49.1%
CVSS Severity
CVSS v3 Score 10.0
CVSS v2 Score 6.4
References
- https://github.com/InternationalScratchWiki/mediawiki-scratch-login/commit/70849ef375016a1061490c8c4744046dbfc3e679
- https://github.com/InternationalScratchWiki/mediawiki-scratch-login/security/advisories/GHSA-8fq5-g4m5-6j43
- https://github.com/InternationalScratchWiki/mediawiki-scratch-login/commit/70849ef375016a1061490c8c4744046dbfc3e679
- https://github.com/InternationalScratchWiki/mediawiki-scratch-login/security/advisories/GHSA-8fq5-g4m5-6j43
Products affected by CVE-2020-15164
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cpe:2.3:a:scratch-wiki:scratch_login:-