CVE-2011-4591

Name: CVE-2011-4591
Creator: NVD / NIST
Published: 2012-07-20T10:40:36.173+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.83%

Last modified Jun 16, 2026

CVE-2011-4591 is a vulnerability of currently unknown severity. Cross-site scripting (XSS) vulnerability in the print_object function in lib/datalib.php in Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3, when a developer debugging script is enabled, allows remote attackers to inject arbitrary web script or HTML via vectors involving object states.. EPSS estimates a 1.83% chance of exploitation in the next 30 days.

Description

Cross-site scripting (XSS) vulnerability in the print_object function in lib/datalib.php in Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3, when a developer debugging script is enabled, allows remote attackers to inject arbitrary web script or HTML via vectors involving object states.

Metrics

EPSS Probability

1.83%

76.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Moodle	Moodle	2.0.0
Moodle	Moodle	2.0.1
Moodle	Moodle	2.0.2
Moodle	Moodle	2.0.3
Moodle	Moodle	2.0.4
Moodle	Moodle	2.0.5
Moodle	Moodle	2.1.0
Moodle	Moodle	2.1.1
Moodle	Moodle	2.1.2

References

Timeline

Published: Jul 20, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4591?

How severe is CVE-2011-4591?

Severity scoring for CVE-2011-4591 is pending analysis. The EPSS model estimates a 1.83% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4591?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4591?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST