CVE-2018-11565

Severity: medium (CVSS 5.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-05-30 · updated 2026-06-17
Weakness: CWE-200

Description

Mahara 17.04 before 17.04.8 and 17.10 before 17.10.5 and 18.04 before 18.04.1 are vulnerable to mentioning the usernames that are already taken by people registered in the system rather than masking that information.

Affected products

mahara: from 17.04.0 before 17.04.8; from 17.10.0 before 17.10.5; 18.04.0 — fixed in 17.04.8, 17.10.5

How to fix

Upgrade to a fixed version: mahara 17.04.8, 17.10.5. Check the vendor advisory for mitigations.

References

https://bugs.launchpad.net/mahara/+bug/1772774
https://mahara.org/interaction/forum/topic.php?id=8271
https://bugs.launchpad.net/mahara/+bug/1772774
https://mahara.org/interaction/forum/topic.php?id=8271

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