CVE-2013-4939: moodle Cross-site Scripting
Vulnerability summary
CVE-2013-4939 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in moodle. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 73.7% of scored vulnerabilities.
Timeline
- 26-07-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
1.49%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.49% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Moodle1 product
- moodle2.1.0 | 2.1.1 | 2.1.2 | 2.1.3 | 2.1.4 | 2.1.5 | 2.1.6 | 2.1.7 | 2.1.8 | 2.1.9 | 2.1.10 | 2.2.0 | 2.2.1 | 2.2.2 | 2.2.3 | 2.2.4 | 2.2.5 | 2.2.6 | 2.2.7 | 2.2.8 | 2.2.9 | 2.2.10 | 2.3.0 | 2.3.1 | 2.3.2 | 2.3.3 | 2.3.4 | 2.3.5 | 2.3.6 | 2.3.7 | 2.4.0 | 2.4.1 | 2.4.2 | 2.4.3 | 2.4.4 | 2.5.0
Npm1 product
- yui< 3.10.3
Yahoo1 product
- yui3.0.0 | 3.1.0 | 3.1.1 | 3.1.2 | 3.2.0 | 3.3.0 | 3.4.0 | 3.4.1 | 3.5.0 | 3.5.1 | 3.6.0 | 3.7.0 | 3.7.1 | 3.7.2 | 3.7.3 | 3.8.0 | 3.8.1 | 3.9.0 | 3.9.1 | 3.10.0 | 3.10.1 | 3.10.2
3 vendors · 3 products
