What’s Vulnerable › Vulnerabilities

CVE-2019-12743

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-29 · updated 2026-06-17
• Weakness: CWE-203

Description

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.

Affected products

• humhub Social Network Kit: 1.3.13

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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