CVE-2019-12743

5.3 mediumEPSS 1.5%

Medium (5.3) in humhub social network kit. EPSS 1.5% chance of exploitation in the next 30 days.

HumHub Social Network Kit Enterprise v1.3.13 allows remote attackers to find the user accounts existing on any Social Network Kits (including self-hosted ones) by brute-forcing the username after the /u/ initial URI substring, aka Response Discrepancy Information Exposure.

Severity

CVSS 3.0

5.3 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
CWE: CWE-203
Published: 2019-07-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

humhub:social_network_kit

References

https://github.com/chanpu9/CVE/blob/master/2019-12743
https://humhub.org/en/news
https://github.com/chanpu9/CVE/blob/master/2019-12743
https://humhub.org/en/news

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