CVE-2020-25812

An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.

References

Affected packages

Git / github.com/wikimedia/mediawiki

Affected ranges

Type

GIT

Repo

https://github.com/wikimedia/mediawiki

Events

Introduced

29977ebe4c05cab4cac46fd1a8459e27f50fb153

Fixed

e34e7f20b51ed7514ba6de8d8a390363ade2237f

Database specific

{
    "versions": [
        {
            "introduced": "1.34.0"
        },
        {
            "fixed": "1.34.4"
        }
    ]
}

Affected versions

1.*

1.34.0

1.34.1

1.34.2

1.34.3

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25812.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "33"
            }
        ]
    }
]