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Vulnerability details: VCID-dxn4-ry85-43dp
Vulnerability ID VCID-dxn4-ry85-43dp
Aliases CVE-2018-1135
GHSA-vxmv-74rf-vqgp
Summary Information Exposure An issue was discovered in Moodle. Students who posted on forums and exported the posts to portfolios can download any stored Moodle file by changing the download URL.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00176 https://api.first.org/data/v1/epss?cve=CVE-2018-1135
cvssv3.1 6.5 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 6.5 https://moodle.org/mod/forum/discuss.php?d=371201
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=371201
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-1135
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2018-1135
cvssv3.1 6.5 http://www.securityfocus.com/bid/104307
generic_textual MODERATE http://www.securityfocus.com/bid/104307
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-1135
https://github.com/moodle/moodle
https://moodle.org/mod/forum/discuss.php?d=371201
http://www.securityfocus.com/bid/104307
CVE-2018-1135 https://nvd.nist.gov/vuln/detail/CVE-2018-1135
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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:L/UI:N/S:U/C:H/I:N/A:N Found at https://moodle.org/mod/forum/discuss.php?d=371201
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:L/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1135
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:L/UI:N/S:U/C:H/I:N/A:N Found at http://www.securityfocus.com/bid/104307
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 0.38853
EPSS Score 0.00176
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:53:37.573954+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/moodle/moodle/CVE-2018-1135.yml 38.6.0