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CVE-2016-2190

Moodle sensitive information disclosure

5.3 MediumFix available

CVE-2016-2190 is a medium vulnerability (CVSS 5.3) in Moodle, published March 25, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.93%, the 80th percentile. Fixed in moodle/moodle 2.7.13.

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 does not properly restrict links, which allows remote attackers to obtain sensitive URL information by reading a Referer log.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

1.93%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.3

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 does not properly restrict links, which allows remote attackers to obtain sensitive URL information by reading a Referer log.

Record
CVE-2016-2190
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-264
Updated
2026-11-02
CVE List No score

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 does not properly restrict links, which allows remote attackers to obtain sensitive URL information by reading a Referer log.

Record
CVE-2016-2190
Updated
2026-11-02
EUVDEUVD-2022-5139 No score

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 does not properly restrict links, which allows remote attackers to obtain sensitive URL information by reading a Referer log.

Record
EUVD-2022-5139
Updated
2026-11-03
GitHub AdvisoriesGHSA-r9pc-g29w-f86j 5.3

Moodle sensitive information disclosure

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 does not properly restrict links, which allows remote attackers to obtain sensitive URL information by reading a Referer log.

Record
GHSA-r9pc-g29w-f86j
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSV 5.3

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 does not properly restrict links, which allows remote attackers to obtain sensitive URL information by reading a Referer log.

Record
CVE-2016-2190
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVGHSA-r9pc-g29w-f86j 5.3

Moodle sensitive information disclosure

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 does not properly restrict links, which allows remote attackers to obtain sensitive URL information by reading a Referer log.

Record
GHSA-r9pc-g29w-f86j
CVSS 3.0
5.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVMGASA-2016-0122 No score

Updated moodle packages fix security vulnerability

In Moodle before 2.8.11, teachers who otherwise were not supposed to see students' emails could see them in the participants list (CVE-2016-2151).

In Moodle before 2.8.11, Moodle traditionally trusted content from external DB, however it was decided that external datasources may not be aware of web security practices and data could cause problems after importing to Moodle (CVE-2016-2152).

In Moodle before 2.8.11, a user with higher permissions could be tricked into clicking a link which would result in Reflected XSS in mod_data advanced search (CVE-2016-2153).

In Moodle before 2.8.11, users without capability to view hidden courses but with capability to subscribe to Event Monitor rules could see the names of hidden courses (CVE-2016-2154).

In Moodle before 2.8.11, the Non-Editing Instructor role can edit the exclude checkbox in the Single View grade report (CVE-2016-2155).

In Moodle before 2.8.11, users without the capability to view hidden acitivites could still see associated calendar events via web services, via the external function get_calendar_events (CVE-2016-2156).

In Moodle before 2.8.11, CSRF is possible on the Assignment plugin admin page, however an exploit is unlikely to benefit anybody and can easily be reversed (CVE-2016-2157).

In Moodle before 2.8.11, enumeration of course category details is possible without authentication (CVE-2016-2158).

In Moodle before 2.8.11, students were able to add assignment submissions after the due date through web service, via the external function mod_assign_save_submission (CVE-2016-2159).

In Moodle before 2.8.11, when following external links that were added with the _blank target, a referer header would be added (CVE-2016-2190).

Record
MGASA-2016-0122
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
moodle/moodle
Packagist
through 2.6.11 None known
moodle/moodle
Packagist
2.7.0 up to 2.7.13
2.7.13
moodle/moodle
Packagist
2.8.0 up to 2.8.11
2.8.11
moodle/moodle
Packagist
2.9.0 up to 2.9.5
2.9.5
moodle/moodle
Packagist
3.0.0 up to 3.0.3
3.0.3
moodle/moodle
Packagist
through 2.6.11, plus listed versions
v2.3.10v2.3.11v2.3.4v2.3.5v2.3.6
Show 42 moreShow less
v2.3.7v2.3.8v2.3.9v2.4.0v2.4.0-rc1v2.4.1v2.4.10v2.4.11v2.4.2v2.4.3v2.4.4v2.4.5v2.4.6v2.4.7v2.4.8v2.4.9v2.5.0v2.5.0-betav2.5.0-rc1v2.5.1v2.5.2v2.5.3v2.5.4v2.5.5v2.5.6v2.5.7v2.5.8v2.5.9v2.6.0v2.6.0-betav2.6.0-rc1v2.6.1v2.6.10v2.6.11v2.6.2v2.6.3v2.6.4v2.6.5v2.6.6v2.6.7v2.6.8v2.6.9
None known
moodle/moodle
Packagist
2.7.0 up to 2.7.13, plus listed versions
v2.7.0v2.7.1v2.7.10v2.7.11v2.7.12
Show 8 moreShow less
v2.7.2v2.7.3v2.7.4v2.7.5v2.7.6v2.7.7v2.7.8v2.7.9
2.7.13
moodle/moodle
Packagist
2.8.0 up to 2.8.11, plus listed versions
v2.8.0v2.8.1v2.8.10v2.8.2v2.8.3
Show 6 moreShow less
v2.8.4v2.8.5v2.8.6v2.8.7v2.8.8v2.8.9
2.8.11
moodle/moodle
Packagist
2.9.0 up to 2.9.5, plus listed versions
v2.9.0v2.9.1v2.9.2v2.9.3v2.9.4
2.9.5
moodle/moodle
Packagist
3.0.0 up to 3.0.3, plus listed versions
v3.0.0v3.0.1v3.0.2
3.0.3
moodle
Mageia:5
before 2.8.11-1.mga5
2.8.11-1.mga5

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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