CVE-2017-7489
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
In Moodle 2.x and 3.x, remote authenticated users can take ownership of arbitrary blogs by editing an external blog link.
- Record
CVE-2017-7489- CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
In Moodle 2.x and 3.x, remote authenticated users can take ownership of arbitrary blogs by editing an external blog link.
- Record
CVE-2017-7489- Updated
- 2026-11-02
EUVDEUVD-2022-4474 No score
In Moodle 2.x and 3.x, remote authenticated users can take ownership of arbitrary blogs by editing an external blog link.
- Record
EUVD-2022-4474- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m34m-fgh4-v7cx
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.
- Record
GHSA-m34m-fgh4-v7cx- CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-269
- Updated
- 2026-11-02
OSV
In Moodle 2.x and 3.x, remote authenticated users can take ownership of arbitrary blogs by editing an external blog link.
- Record
CVE-2017-7489- CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
OSVGHSA-m34m-fgh4-v7cx
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.
- Record
GHSA-m34m-fgh4-v7cx- CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-269
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-7489
In Moodle 2.x and 3.x, remote authenticated users can take ownership of arbitrary blogs by editing an external blog link.
- Record
UBUNTU-CVE-2017-7489- CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodle/moodlePackagist |
3.2 up to 3.2.3 | 3.2.3 |
moodle/moodlePackagist |
3.1 up to 3.1.6 | 3.1.6 |
moodle/moodlePackagist |
3.0 up to 3.0.10 | 3.0.10 |
moodle/moodlePackagist |
2.7 up to 2.7.20 | 2.7.20 |
moodle/moodlePackagist |
3.2 up to 3.2.3, plus listed versions v3.2.0v3.2.0-betav3.2.0-rc1v3.2.0-rc2v3.2.0-rc3 Show 4 moreShow lessv3.2.0-rc4v3.2.0-rc5v3.2.1v3.2.2 |
3.2.3 |
moodle/moodlePackagist |
3.1 up to 3.1.6, plus listed versions v3.1.0v3.1.0-betav3.1.0-rc1v3.1.0-rc2v3.1.1 Show 4 moreShow lessv3.1.2v3.1.3v3.1.4v3.1.5 |
3.1.6 |
moodle/moodlePackagist |
3.0 up to 3.0.10, plus listed versions v3.0.0v3.0.0-betav3.0.0-rc1v3.0.0-rc2v3.0.0-rc3 Show 10 moreShow lessv3.0.0-rc4v3.0.1v3.0.2v3.0.3v3.0.4v3.0.5v3.0.6v3.0.7v3.0.8v3.0.9 |
3.0.10 |
moodle/moodlePackagist |
2.7 up to 2.7.20, plus listed versions v2.7.0v2.7.0-betav2.7.0-rc1v2.7.0-rc2v2.7.1 Show 18 moreShow lessv2.7.10v2.7.11v2.7.12v2.7.13v2.7.14v2.7.15v2.7.16v2.7.17v2.7.18v2.7.19v2.7.2v2.7.3v2.7.4v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9 |
2.7.20 |
moodleUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
moodleUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-7489 is a medium vulnerability (CVSS 6.3) in Moodle, published May 15, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.23%, the 69th percentile. Fixed in moodle/moodle 3.2.3.