CVE-2013-4939: Cross-site scripting (XSS) vulnerability in io.swf in the IO Utility component in Yahoo! YUI 3.0.0 through 3.9.1, as used in Moodle through 2.1.10, 2.2.x before 2.2.11, 2.3.x…

Unscored severity · published Jul 29, 2013

CVE-2013-4939

Cross-site scripting (XSS) vulnerability in io.swf in the IO Utility component in Yahoo! YUI 3.0.0 through 3.9.1, as used in Moodle through 2.1.10, 2.2.x before 2.2.11, 2.3.x…

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CVSS

1.5%

EPSS

On KEV

Description

Cross-site scripting (XSS) vulnerability in io.swf in the IO Utility component in Yahoo! YUI 3.0.0 through 3.9.1, as used in Moodle through 2.1.10, 2.2.x before 2.2.11, 2.3.x before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.1, and other products, allows remote attackers to inject arbitrary web script or HTML via a crafted string in a URL.

Exploitation

Is it being used?

Exploit prediction (EPSS)1.5% · higher than 74% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Moodle · Moodle

2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.1.4; 2.1.5; +30 more · source: NVD

Yui · Yahoo

3.0.0; 3.1.0; 3.1.1; 3.1.2; 3.2.0; 3.3.0; +16 more · source: NVD