Vulnerability CVE-2019-19708
Published: 2019-12-11

Description:
The VisualEditor extension through 1.34 for MediaWiki allows XSS via pasted content containing an element with a data-ve-clipboard-key attribute.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Mediawiki -> Visual editor 

 References:
https://gerrit.wikimedia.org/r/q/I1f99458fd2c4f6b2460dfe7a93b330ddee4400b6
https://phabricator.wikimedia.org/T239209
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