SQL Injection in Youphptube

CVE-2019-18662

An issue was discovered in YouPHPTube through 7.7. User input passed through the live_stream_code POST parameter to /plugin/LiveChat/getChat.json.php is not properly sanitized (in getFromChat in plugin/LiveChat/Objects/LiveChatObj.php) before being used to construct a SQL query. This can be exploited by malicious users to, e.g., read sensitive data from the database through in-band SQL Injection attacks. Successful exploitation of this vulnerability requires the Live Chat plugin to be enabled.

Vulnerability class: SQL Injection

EPSS: 0.023 (81.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-18662?
CVE-2019-18662 is a critical-severity vulnerability in Youphptube, classified under SQL Injection. CVSS score: 9.8/10. Published 2019-11-02.
How severe is CVE-2019-18662?
Critical severity. CVSS v3 base score is 9.8 out of 10.