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CVE-2013-4941

14
FAUCET Score

CVE-2013-4941 describes a Cross-site Scripting (XSS) vulnerability within the uploader.swf component of Yahoo! YUI versions 3.2.0 through 3.9.1, which is also integrated into various Moodle versions and other products. This vulnerability allows remote attackers to inject arbitrary web script or HTML through a crafted URL. The severity is rated as medium (CVSS 4.3), indicating a network-based attack with medium complexity, requiring no authentication, and primarily impacting integrity (partial). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.1.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.1.0:*:*:*:*:*:*:*
2.1.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.1.1:*:*:*:*:*:*:*
2.1.2CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.1.2:*:*:*:*:*:*:*
2.1.3CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.1.3:*:*:*:*:*:*:*
2.1.4CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.19%
Probability of exploitation in next 30 days
EPSS Percentile
64.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0119 is in the 30th percentile among its peer group of 19,956 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.2.11
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.3.8
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.4.5
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.5.1

Vendor Advisories (1)

npmGHSA-64r3-582j-frqmmedium

YUI Cross-site Scripting (XSS) vulnerability

May 13, 2022

References

git.moodle.org / gw
moodle.org / mod/forum/discuss.php
Vendor Advisory
yuilibrary.com / support/20130515-vulnerability
Vendor Advisory