How severe is CVE-2013-4753?

CVE-2013-4753 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2013-4753 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4753?

CVE-2013-4753 affects Claroline. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4753?

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

When was CVE-2013-4753 published?

CVE-2013-4753 was published on 2014-12-26 and last updated on 2026-06-16.

CVE-2013-4753

CVE-2013-4753 is a low-severity vulnerability in Claroline with a CVSS 2.0 base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Claroline
Published: 2014-12-26
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Claroline 1.11.9 and earlier allow remote authenticated users to inject arbitrary web script or HTML via (1) the Search field in an inbox action to messaging/messagebox.php, (2) the "First name" field to auth/profile.php, or (3) the Speakers field in an rqAdd action to calendar/agenda.php.

Frequently asked questions

What is CVE-2013-4753?: Multiple cross-site scripting (XSS) vulnerabilities in Claroline 1.11.9 and earlier allow remote authenticated users to inject arbitrary web script or HTML via (1) the Search field in an inbox action to messaging/messagebox.php, (2) the "First name" field to auth/profile.php, or (3) the Speakers field in an rqAdd action to calendar/agenda.php.
How severe is CVE-2013-4753?: CVE-2013-4753 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2013-4753 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4753?: CVE-2013-4753 affects Claroline. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4753?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4753 published?: CVE-2013-4753 was published on 2014-12-26 and last updated on 2026-06-16.

References

http://www.xchg.info/?p=406

Affected products (1)

cpe:2.3:a:claroline:claroline:*:*:*:*:*:*:*:*

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