CVE-2020-15179 describes a stored Cross-Site Scripting (XSS) vulnerability in the ScratchSig extension for MediaWiki versions prior to 1.0.1. Attackers with edit permissions could inject malicious scripts via the <scratchsig> tag, potentially leading to privilege escalation or account takeover through the MediaWiki JavaScript API. This vulnerability has a critical CVSS score of 9.0, indicating a network-based attack with low complexity and high impact on confidentiality, integrity, and availability, requiring user interaction. While patched in version 1.0.1 and deployed to all Scratch Wikis, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.1CPE matchmatch criteria | cpe:2.3:a:scratch-wiki:scratchsig:*:*:*:*:*:mediawiki:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.