CVE-2022-21710 is a cross-site scripting (XSS) vulnerability affecting MediaWiki's ShortDescription extension in versions prior to 2.3.4. An attacker can inject malicious wikitext, such as {{SHORTDESC:<img src=x onerror=alert()>}}, to trigger XSS on any page or pages displaying the shortdesc property. This vulnerability has a CVSS score of 6.1 (Medium), indicating it can be exploited remotely with low complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.3.4CPE matchmatch criteria | cpe:2.3:a:mediawiki:shortdescription:*:*:*:*:*:mediawiki:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.