How severe is CVE-2013-4341?

CVE-2013-4341 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-4341 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4341?

CVE-2013-4341 primarily affects Moodle. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4341?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4341 published?

CVE-2013-4341 was published on 2013-09-16 and last updated on 2026-06-16.

CVE-2013-4341

CVE-2013-4341 is a medium-severity vulnerability in Moodle with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 22% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Moodle
Published: 2013-09-16
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Moodle through 2.2.11, 2.3.x before 2.3.9, 2.4.x before 2.4.6, and 2.5.x before 2.5.2 allow remote attackers to inject arbitrary web script or HTML via a crafted blog link within an RSS feed.

Frequently asked questions

What is CVE-2013-4341?: Multiple cross-site scripting (XSS) vulnerabilities in Moodle through 2.2.11, 2.3.x before 2.3.9, 2.4.x before 2.4.6, and 2.5.x before 2.5.2 allow remote attackers to inject arbitrary web script or HTML via a crafted blog link within an RSS feed.
How severe is CVE-2013-4341?: CVE-2013-4341 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-4341 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4341?: CVE-2013-4341 primarily affects Moodle. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4341?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4341 published?: CVE-2013-4341 was published on 2013-09-16 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.5:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.6:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.7:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.8:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.4:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.5:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.1:*:*:*:*:*:*:*

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