calendar/externallib.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 provides calendar-event data without considering whether an activity is hidden, which allows remote authenticated users to obtain sensitive information via a web-service request
Published May 22, 2016
4.3
MEDIUMCVSS 3.0
EPSS 1.69%
Description
calendar/externallib.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 provides calendar-event data without considering whether an activity is hidden, which allows remote authenticated users to obtain sensitive information via a web-service request.
Affected products
No data.
- ≤ 2.6.11
- 2.7.0
- 2.7.1
- 2.7.2
- 2.7.3
- 2.7.4
- 2.7.5
- 2.7.6
- 2.7.7
- 2.7.8
- 2.7.9
- 2.7.10
- 2.7.11
- 2.7.12
- 2.8.0
- 2.8.1
- 2.8.2
- 2.8.3
- 2.8.4
- 2.8.5
- 2.8.6
- 2.8.7
- 2.8.8
- 2.8.9
- 2.8.10
- 2.9.0
- 2.9.1
- 2.9.2
- 2.9.3
- 2.9.4
- 3.0.0
- 3.0.1
- 3.0.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:S/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.69% (0.01693) | 76.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.69% (0.01693) | 74.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.32% (0.00320) | 52.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.15% (0.00152) | 52.84th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.15% (0.00152) | 51.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00152) | 49.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.13% (0.01132) | 56.11th | v2 (v2022.01.01) |
| Sep 22, 2022 | 1.13% (0.01132) | 54.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.13% (0.01132) | 52.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.13% (0.01132) | 30.65th | v2 (v2022.01.01) |
References (12)
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-52808 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2016/03/21/1 mailing-listx_refsource_MLIST
- http://www.securitytracker.com/id/1035333 vdb-entryx_refsource_SECTRACK
- https://github.com/advisories/GHSA-h8vc-v44p-5r2q Advisory
- https://github.com/moodle/moodle/commit/39b851376337b853c8d403dcba64645d16f0a9bd
- https://github.com/moodle/moodle/commit/783e695e00689d67925d6f83722d344c0bd6de94
- https://github.com/moodle/moodle/commit/854e7b8ed0a84eb91ca455ca290427d22bc20baf
- https://github.com/moodle/moodle/commit/c631b112d6e729c84f5d559371a399fe54502ba3
- https://github.com/moodle/moodle/commit/d63ac148b95e5f909618e75efd76f6b5032da158
- https://moodle.org/mod/forum/discuss.php?d=330178 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-2156
- https://web.archive.org/web/20160424224349/http://www.securitytracker.com/id/1035333
Change history (0)
No recorded changes yet.