CVE-2011-4306

Moodle XSS Vulnerability

4.3 MediumFix available

Cross-site scripting (XSS) vulnerability in course/editsection.html in Moodle 1.9.x before 1.9.14 allows remote authenticated users to inject arbitrary web script or HTML via crafted data.

Exploit likelihood

1.83%Up 0.7 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Cross-site scripting (XSS) vulnerability in course/editsection.html in Moodle 1.9.x before 1.9.14 allows remote authenticated users to inject arbitrary web script or HTML via crafted data.

Record: CVE-2011-4306
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Cross-site scripting (XSS) vulnerability in course/editsection.html in Moodle 1.9.x before 1.9.14 allows remote authenticated users to inject arbitrary web script or HTML via crafted data.

Record: CVE-2011-4306
Updated: 2026-11-02

EUVDEUVD-2022-5120 No score

Cross-site scripting (XSS) vulnerability in course/editsection.html in Moodle 1.9.x before 1.9.14 allows remote authenticated users to inject arbitrary web script or HTML via crafted data.

Record: EUVD-2022-5120
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r729-mx2r-j26j No score

Moodle XSS Vulnerability

Cross-site scripting (XSS) vulnerability in course/editsection.html in Moodle 1.9.x before 1.9.14 allows remote authenticated users to inject arbitrary web script or HTML via crafted data.

Record: GHSA-r729-mx2r-j26j
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-r729-mx2r-j26j No score

Moodle XSS Vulnerability

Cross-site scripting (XSS) vulnerability in course/editsection.html in Moodle 1.9.x before 1.9.14 allows remote authenticated users to inject arbitrary web script or HTML via crafted data.

Record: GHSA-r729-mx2r-j26j
Weakness: CWE-79
Updated: 2026-11-02

Affected products

moodle

Affected packages

Affected packages
Package	Affected	Fixed
`moodle/moodle` Packagist	before 1.9.14	1.9.14
`moodle` Debian:6.0 From an advisory covering 5 CVEs	before 1.9.9.dfsg2-2.1+squeeze2, plus listed versions 1.9.9.dfsg2-2.11.9.9.dfsg2-2.1+squeeze1	1.9.9.dfsg2-2.1+squeeze2

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-4306 is a medium vulnerability (CVSS 4.3) in Moodle, published November 7, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.83%, the 79th percentile. Fixed in moodle/moodle 1.9.14.

Exploit likelihood

What each source reports

Affected products

Affected packages

History

In short

References