Medium severity4.3NVD Advisory· Published May 22, 2016· Updated Jun 17, 2026
CVE-2016-2156
CVE-2016-2156
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
moodle/moodlePackagist | < 2.7.13 | 2.7.13 |
moodle/moodlePackagist | >= 2.8.0, < 2.8.11 | 2.8.11 |
moodle/moodlePackagist | >= 2.9.0, < 2.9.5 | 2.9.5 |
moodle/moodlePackagist | >= 3.0.0, < 3.0.3 | 3.0.3 |
Affected products
34cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*+ 32 more
- cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*range: <=2.6.11
- cpe:2.3:a:moodle:moodle:2.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.10:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.11:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.12:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.7:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.8:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.7.9:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.10:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.6:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.7:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.8:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.8.9:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.9.2:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.9.3:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:2.9.4:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:3.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:moodle:moodle:3.0.2:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
11- github.com/advisories/GHSA-h8vc-v44p-5r2qghsaADVISORY
- moodle.org/mod/forum/discuss.phpnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2016-2156ghsaADVISORY
- www.openwall.com/lists/oss-security/2016/03/21/1nvdWEB
- github.com/moodle/moodle/commit/39b851376337b853c8d403dcba64645d16f0a9bdghsaWEB
- github.com/moodle/moodle/commit/783e695e00689d67925d6f83722d344c0bd6de94ghsaWEB
- github.com/moodle/moodle/commit/854e7b8ed0a84eb91ca455ca290427d22bc20bafghsaWEB
- github.com/moodle/moodle/commit/c631b112d6e729c84f5d559371a399fe54502ba3ghsaWEB
- github.com/moodle/moodle/commit/d63ac148b95e5f909618e75efd76f6b5032da158ghsaWEB
- web.archive.org/web/20160424224349/http://www.securitytracker.com/id/1035333ghsaWEB
- www.securitytracker.com/id/1035333nvd
News mentions
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