https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2022-42985.htmlhttps://patchthecve.com/cve/CVE-2022-42985.htmlWed, 17 Jun 2026 05:05:43 +0000MEDIUM 4.8: The ScratchLogin extension through 1.1 for MediaWiki does not escape verification failure messages, which allows users with administrator privileges to perform cross-site scripting (XSS).https://patchthecve.com/cve/CVE-2021-46252.htmlhttps://patchthecve.com/cve/CVE-2021-46252.htmlWed, 17 Jun 2026 04:14:41 +0000MEDIUM 6.5: A Cross-Site Request Forgery (CSRF) in RequirementsBypassPage.php of Scratch Wiki scratch-confirmaccount-v3 allows attackers to modify account request requirement bypasses.https://patchthecve.com/cve/CVE-2020-15179.htmlhttps://patchthecve.com/cve/CVE-2020-15179.htmlWed, 17 Jun 2026 02:56:12 +0000HIGH 8.0: The ScratchSig extension for MediaWiki before version 1.0.1 allows stored Cross-Site Scripting. Using <script> tag inside <scratchsig> tag, attackers with edit permission can execute scripts on visitors' browser. With MediaWiki JavaScript API, this can potentially lead to privilege escalation and/orhttps://patchthecve.com/cve/CVE-2020-15164.htmlhttps://patchthecve.com/cve/CVE-2020-15164.htmlWed, 17 Jun 2026 02:56:10 +0000CRITICAL 10.0: 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 versi