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Vulnerability details: VCID-e9yy-zbv4-bqez
Vulnerability ID VCID-e9yy-zbv4-bqez
Aliases CVE-2015-5337
GHSA-2hw6-6rgf-726v
Summary Moodle XSS Vulnerability Moodle through 2.6.11, 2.7.x before 2.7.11, 2.8.x before 2.8.9, and 2.9.x before 2.9.3 does not properly restrict the availability of Flowplayer, which allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted .swf file.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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
cvssv3.1 6.1 http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-48085
generic_textual MODERATE http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-48085
epss 0.00329 https://api.first.org/data/v1/epss?cve=CVE-2015-5337
epss 0.00329 https://api.first.org/data/v1/epss?cve=CVE-2015-5337
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-2hw6-6rgf-726v
cvssv3.1 6.1 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 6.1 https://github.com/moodle/moodle/commit/c73f6d03e5037729097bb9f5f5a55be15f3cab18
generic_textual MODERATE https://github.com/moodle/moodle/commit/c73f6d03e5037729097bb9f5f5a55be15f3cab18
cvssv3.1 6.1 https://moodle.org/mod/forum/discuss.php?d=323232
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=323232
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2015-5337
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2015-5337
Reference id Reference type URL
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-48085
https://api.first.org/data/v1/epss?cve=CVE-2015-5337
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/c73f6d03e5037729097bb9f5f5a55be15f3cab18
https://moodle.org/mod/forum/discuss.php?d=323232
https://nvd.nist.gov/vuln/detail/CVE-2015-5337
GHSA-2hw6-6rgf-726v https://github.com/advisories/GHSA-2hw6-6rgf-726v
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-48085
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/moodle/moodle
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/moodle/moodle/commit/c73f6d03e5037729097bb9f5f5a55be15f3cab18
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=323232
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2015-5337
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.55154
EPSS Score 0.00329
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:26:26.557865+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-2hw6-6rgf-726v/GHSA-2hw6-6rgf-726v.json 36.1.3