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Vulnerability details: VCID-ys6f-8qdk-vubd
Vulnerability ID VCID-ys6f-8qdk-vubd
Aliases CVE-2017-7489
GHSA-m34m-fgh4-v7cx
Summary Moodle External blog editing takeover In Moodle 2.x and 3.x, remote authenticated users can take ownership of arbitrary blogs by editing an external blog link.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-269 Improper Privilege Management
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
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2017-7489
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2017-7489
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-m34m-fgh4-v7cx
cvssv3.1 6.3 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 6.3 https://moodle.org/mod/forum/discuss.php?d=352353
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=352353
cvssv3.1 6.3 https://nvd.nist.gov/vuln/detail/CVE-2017-7489
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2017-7489
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2017-7489
https://github.com/moodle/moodle
https://moodle.org/mod/forum/discuss.php?d=352353
https://nvd.nist.gov/vuln/detail/CVE-2017-7489
GHSA-m34m-fgh4-v7cx https://github.com/advisories/GHSA-m34m-fgh4-v7cx
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L 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:L/I:L/A:L Found at https://moodle.org/mod/forum/discuss.php?d=352353
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:L/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2017-7489
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 0.54048
EPSS Score 0.00316
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:26:49.895368+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-m34m-fgh4-v7cx/GHSA-m34m-fgh4-v7cx.json 36.1.3