How severe is CVE-2019-18662?

CVE-2019-18662 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-18662 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18662?

CVE-2019-18662 affects Youphptube. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18662?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-18662 published?

CVE-2019-18662 was published on 2019-11-02 and last updated on 2026-06-17.

CVE-2019-18662

CVE-2019-18662 is a critical-severity vulnerability in Youphptube with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Youphptube
Published: 2019-11-02
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-18662?: CVE-2019-18662 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-18662 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18662?: CVE-2019-18662 affects Youphptube. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18662?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-18662 published?: CVE-2019-18662 was published on 2019-11-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:youphptube:youphptube:*:*:*:*:*:*:*:*

More vulnerabilities in Youphptube

CVE-2019-5151 — Critical (CVSS 10.0): An exploitable SQL injection vulnerability exist in YouPHPTube 7.7. A specially crafted unauthenticated HTTP request…
CVE-2019-5114 — Critical (CVSS 9.9): An exploitable SQL injection vulnerability exists in the authenticated portion of YouPHPTube 7.6. Specially crafted web…
CVE-2019-16124 — Critical (CVSS 9.8): In YouPHPTube 7.4, the file install/checkConfiguration.php has no access control, which leads to everyone being able to…
CVE-2019-5150 — High (CVSS 8.9): An exploitable SQL injection vulnerability exist in YouPHPTube 7.7. When the "VideoTags" plugin is enabled, a specially…
CVE-2019-5123 — High (CVSS 8.8): Specially crafted web requests can cause SQL injections in YouPHPTube 7.6. An attacker can send a web request with…
CVE-2019-5122 — High (CVSS 8.8): SQL injection vulnerabilities exists in the authenticated part of YouPHPTube 7.6. Specially crafted web requests can…

All CVEs affecting Youphptube →

Other CWE-89 (SQL Injection) vulnerabilities

CVE-2026-54350 — Critical (CVSS 10.0): Budibase is an open-source low-code platform. Prior to 3.39.12, an unauthenticated visitor of any published Budibase…
CVE-2026-8054 — Critical (CVSS 10.0): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in the Publish Audit API endpoints…
CVE-2026-42287 — Critical (CVSS 10.0): Emlog is an open source website building system. Prior to version 2.6.11, direct SQL injection in article creation and…
CVE-2026-3325 — Critical (CVSS 10.0): SQL injection (SQLi) in MegaCMS v12.0.0, specifically in the “id_territorio” parameter of the…
CVE-2025-10878 — Critical (CVSS 10.0): A SQL injection vulnerability exists in the login functionality of Fikir Odalari AdminPando 1.0.1 before 2026-01-26.…
CVE-2025-57792 — Critical (CVSS 10.0): Explorance Blue versions prior to 8.14.9 contain a SQL injection vulnerability caused by insufficient validation of…

Browse all CWE-89 (SQL Injection) vulnerabilities →