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Vulnerability details: VCID-khe2-k1fb-qbgk
Vulnerability ID VCID-khe2-k1fb-qbgk
Aliases CVE-2013-2083
GHSA-m63h-q4x3-6hwj
Summary Moodle is vulnerable to Improper Input Validation in MoodleQuickForm class The MoodleQuickForm class in `lib/formslib.php` in Moodle through 2.1.10, 2.2.x before 2.2.10, 2.3.x before 2.3.7, and 2.4.x before 2.4.4 does not properly handle a certain array-element syntax, which allows remote attackers to bypass intended form-data filtering via a crafted request.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-20 Improper Input Validation
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
generic_textual MODERATE http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38885
generic_textual MODERATE http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106965.html
generic_textual MODERATE http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106988.html
generic_textual MODERATE http://lists.fedoraproject.org/pipermail/package-announce/2013-May/107026.html
generic_textual MODERATE http://openwall.com/lists/oss-security/2013/05/21/1
epss 0.00605 https://api.first.org/data/v1/epss?cve=CVE-2013-2083
epss 0.00605 https://api.first.org/data/v1/epss?cve=CVE-2013-2083
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-m63h-q4x3-6hwj
generic_textual MODERATE https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle/commit/3c0ba94e879702b3c2f20d4cb4f9120a0bfdd9fc
generic_textual MODERATE https://github.com/moodle/moodle/commit/8a9c3f4951e05eea80775d8c82d00a64434376c7
generic_textual MODERATE https://github.com/moodle/moodle/commit/cc2fb80742af94edde20b6b57da24027f2884a24
generic_textual MODERATE https://github.com/moodle/moodle/commit/d39925c792789230e628548ecff9ca34d0a74c16
generic_textual MODERATE https://github.com/moodle/moodle/commit/d5909fd1447bc6f05dbf37d7c9eb72b79004e24a
generic_textual MODERATE https://github.com/moodle/moodle/commit/e4e1bd900a2fb73e81d761bf8a5b9d2d162073d6
generic_textual MODERATE https://github.com/moodle/moodle/commit/e8ca6884531a3162cf755d7c09c29e7933c84090
generic_textual MODERATE https://github.com/moodle/moodle/commit/eb5852672e5e45fd95b28aab58bad080b15a7b6d
generic_textual MODERATE https://github.com/moodle/moodle/commit/feeb14b9410cac5a9da7437f8cb663e6ada9c9d4
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=228935
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2013-2083
Reference id Reference type URL
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38885
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106965.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106988.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/107026.html
http://openwall.com/lists/oss-security/2013/05/21/1
https://api.first.org/data/v1/epss?cve=CVE-2013-2083
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/3c0ba94e879702b3c2f20d4cb4f9120a0bfdd9fc
https://github.com/moodle/moodle/commit/8a9c3f4951e05eea80775d8c82d00a64434376c7
https://github.com/moodle/moodle/commit/cc2fb80742af94edde20b6b57da24027f2884a24
https://github.com/moodle/moodle/commit/d39925c792789230e628548ecff9ca34d0a74c16
https://github.com/moodle/moodle/commit/d5909fd1447bc6f05dbf37d7c9eb72b79004e24a
https://github.com/moodle/moodle/commit/e4e1bd900a2fb73e81d761bf8a5b9d2d162073d6
https://github.com/moodle/moodle/commit/e8ca6884531a3162cf755d7c09c29e7933c84090
https://github.com/moodle/moodle/commit/eb5852672e5e45fd95b28aab58bad080b15a7b6d
https://github.com/moodle/moodle/commit/feeb14b9410cac5a9da7437f8cb663e6ada9c9d4
https://moodle.org/mod/forum/discuss.php?d=228935
https://nvd.nist.gov/vuln/detail/CVE-2013-2083
GHSA-m63h-q4x3-6hwj https://github.com/advisories/GHSA-m63h-q4x3-6hwj
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.68586
EPSS Score 0.00605
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:26:29.259956+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-m63h-q4x3-6hwj/GHSA-m63h-q4x3-6hwj.json 36.1.3