Unscored severity · published Jul 29, 2013
CVE-2013-4940
Cross-site scripting (XSS) vulnerability in io.swf in the IO Utility component in Yahoo! YUI 3.10.2, as used in Moodle through 2.1.10, 2.2.x before 2.2.11, 2.3.x before 2.3.8,…
–
CVSS
1.5%
EPSS
No
On KEV
Description
Cross-site scripting (XSS) vulnerability in io.swf in the IO Utility component in Yahoo! YUI 3.10.2, 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. NOTE: this vulnerability exists because of a CVE-2013-4939 regression.
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
MO
Moodle · Moodle
2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.1.4; 2.1.5; +30 more · source: NVD
YU
Yui · Yahoo
3.0.0; 3.1.0; 3.1.1; 3.1.2; 3.2.0; 3.3.0; +16 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-4940
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-4940
git.moodle.org
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-39678
Patch
http://yuilibrary.com/support/20130515-vulnerability/
Vendor Advisory
https://moodle.org/mod/forum/discuss.php?d=232496
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