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Vulnerabilities

Vulnerability · 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…

Published Sep 16, 2013 · catalog updated Jun 16, 2026 · the affected product

Last checked Nov 9, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2013-4341 is not in CISA KEV. FIRST estimates a 21.86% chance of exploitation in the next 30 days. Check whether you run the affected product.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
21.86%
Remediation
Version ranges on file
Affected products
cpe moodle/moodle

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe moodle/moodle2.3.0
  • cpe moodle/moodle2.3.1
  • cpe moodle/moodle2.3.2
  • cpe moodle/moodle2.3.3
  • cpe moodle/moodle2.3.4
  • cpe moodle/moodle<= 2.2.11

How to fix CVE-2013-4341

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2013-4341 is not in CISA KEV. FIRST estimates a 21.86% chance of exploitation in the next 30 days. Check whether you run the affected product.

Which versions are affected?

Compare what you have installed with 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, <= 2.2.11. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 21.86%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Technology hubs

Moodle security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 16, 2013 · Monitored products — high

    Detected

    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.

  2. Jun 16, 2026 · Monitored products — high

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2013-4341

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-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.

    nvd.nist.gov
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/moodle_spelling_binary_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/164479/Moodle-Authenticated-Spelling-Binary-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Packet Storm SecurityNov 9, 2026
  • Metasploit ModulesNov 7, 2026
  • CVE.orgNov 4, 2026
  • Monitored products — highNov 4, 2026