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Vulnerability details: VCID-ywt2-6fzz-huct
Vulnerability ID VCID-ywt2-6fzz-huct
Aliases CVE-2015-3274
GHSA-f7qm-q26p-6rr2
Summary Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Cross-site scripting (XSS) vulnerability in the user_get_user_details function in user/lib.php in Moodle through 2.6.11, 2.7.x before 2.7.9, 2.8.x before 2.8.7, and 2.9.x before 2.9.1 allows remote attackers to inject arbitrary web script or HTML by leveraging absence of an external_format_text call in a web service.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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-50130
generic_textual MODERATE http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50130
cvssv3.1 6.1 http://openwall.com/lists/oss-security/2015/07/13/2
generic_textual MODERATE http://openwall.com/lists/oss-security/2015/07/13/2
epss 0.00255 https://api.first.org/data/v1/epss?cve=CVE-2015-3274
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-f7qm-q26p-6rr2
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/7b15a363201109354bbd6d51a7c70f50dac7b9d8
generic_textual MODERATE https://github.com/moodle/moodle/commit/7b15a363201109354bbd6d51a7c70f50dac7b9d8
cvssv3.1 6.1 https://github.com/moodle/moodle/commit/a809a8dccea222a31e0828d4f17889035e6d1a36
generic_textual MODERATE https://github.com/moodle/moodle/commit/a809a8dccea222a31e0828d4f17889035e6d1a36
cvssv3.1 6.1 https://github.com/moodle/moodle/commit/e96e66aa16dca5cbcdb1aef0f9499edf86f1404b
generic_textual MODERATE https://github.com/moodle/moodle/commit/e96e66aa16dca5cbcdb1aef0f9499edf86f1404b
cvssv3.1 6.1 https://github.com/moodle/moodle/commit/ffe5c784889b3f7b2ba11cf9db881d54904623b7
generic_textual MODERATE https://github.com/moodle/moodle/commit/ffe5c784889b3f7b2ba11cf9db881d54904623b7
cvssv3.1 6.1 https://moodle.org/mod/forum/discuss.php?d=316664
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=316664
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2015-3274
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2015-3274
cvssv3.1 6.1 https://web.archive.org/web/20150924032214/http://www.securitytracker.com/id/1032877
generic_textual MODERATE https://web.archive.org/web/20150924032214/http://www.securitytracker.com/id/1032877
Reference id Reference type URL
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50130
http://openwall.com/lists/oss-security/2015/07/13/2
https://api.first.org/data/v1/epss?cve=CVE-2015-3274
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/7b15a363201109354bbd6d51a7c70f50dac7b9d8
https://github.com/moodle/moodle/commit/a809a8dccea222a31e0828d4f17889035e6d1a36
https://github.com/moodle/moodle/commit/e96e66aa16dca5cbcdb1aef0f9499edf86f1404b
https://github.com/moodle/moodle/commit/ffe5c784889b3f7b2ba11cf9db881d54904623b7
https://moodle.org/mod/forum/discuss.php?d=316664
https://web.archive.org/web/20150924032214/http://www.securitytracker.com/id/1032877
CVE-2015-3274 https://nvd.nist.gov/vuln/detail/CVE-2015-3274
GHSA-f7qm-q26p-6rr2 https://github.com/advisories/GHSA-f7qm-q26p-6rr2
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-50130
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 http://openwall.com/lists/oss-security/2015/07/13/2
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/7b15a363201109354bbd6d51a7c70f50dac7b9d8
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/a809a8dccea222a31e0828d4f17889035e6d1a36
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/e96e66aa16dca5cbcdb1aef0f9499edf86f1404b
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/ffe5c784889b3f7b2ba11cf9db881d54904623b7
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=316664
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-2015-3274
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://web.archive.org/web/20150924032214/http://www.securitytracker.com/id/1032877
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 0.49092
EPSS Score 0.00255
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:58:39.707748+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/moodle/moodle/CVE-2015-3274.yml 38.6.0