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.
CVE-2013-4341
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 97.4%
- KEV
- Not listed
Published
September 16, 2013
Last Modified
April 29, 2026
References (6)
- secalert@redhathttp://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-41623
- secalert@redhathttp://packetstormsecurity.com/files/164479/Moodle-Authenticated-Spelling-Binary-Remote-Code-Execution.html
- secalert@redhathttps://moodle.org/mod/forum/discuss.php?d=238399
- af854a3a-2127-422b-91ae-364da2661108http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-41623
- af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/164479/Moodle-Authenticated-Spelling-Binary-Remote-Code-Execution.html
- af854a3a-2127-422b-91ae-364da2661108https://moodle.org/mod/forum/discuss.php?d=238399
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 5× in last 7d / 31× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-05 02:26 UTCEPSS rescore
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- 2026-05-28 22:28 UTCEG score recompute
- 2026-05-28 22:28 UTCGHSA enrichment
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Publicly available exploits
(2 references)Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Metasploitexploit/multi/http/moodle_spelling_binary_rce✓ verifiedFirst seen Oct 30, 2013
Moodle Authenticated Spelling Binary RCE
Open source ↗ - Exploit-DBEDB-28174First seen Sep 9, 2013
Moodle 2.3.8/2.4.5 - Multiple Vulnerabilities
Open source ↗
Related CVEs(same CWE)
Frequently asked(4)
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Dependency Blast Radius
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