Moodle: possible to set the preferred "start page" of other users
Published Feb 17, 2023
8.2
HIGHCVSS 3.1
EPSS 0.96%
Description
The vulnerability was found Moodle which exists due to insufficient limitations on the "start page" preference. A remote attacker can set that preference for another user. The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
n/aAssessed Apr 19, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2023–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.96% (0.00957) | 60.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.96% (0.00957) | 56.66th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.30% (0.00296) | 50.81th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.27% (0.00267) | 68.53th | v3 (v2023.03.01) |
| Mar 21, 2024 | 0.23% (0.00229) | 60.34th | v3 (v2023.03.01) |
| Feb 24, 2024 | 0.21% (0.00212) | 58.38th | v3 (v2023.03.01) |
| Jan 18, 2024 | 0.12% (0.00124) | 46.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00115) | 43.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Mar 1, 2023 | 1.14% (0.01136) | 59.42th | v2 (v2022.01.01) |
| Feb 18, 2023 | 1.06% (0.01061) | 52.39th | v2 (v2022.01.01) |
References (5)
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76862 Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=2162549 Issue TrackingThird Party Advisory
- https://github.com/advisories/GHSA-32jc-9p58-p82x Advisory
- https://moodle.org/mod/forum/discuss.php?d=443274#p1782023 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-23923
| Link | Providers | Tags |
|---|---|---|
| http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76862 | Patch | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2162549 | Issue TrackingThird Party Advisory | |
| https://github.com/advisories/GHSA-32jc-9p58-p82x | Advisory | |
| https://moodle.org/mod/forum/discuss.php?d=443274#p1782023 | Vendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2023-23923 |
Change history (0)
No recorded changes yet.