CVE-2021-24419

WP YouTube Lyte < 1.7.16 - Authenticated Stored XSS

4.8 Medium

The WP YouTube Lyte WordPress plugin before 1.7.16 did not sanitise or escape its lyte_yt_api_key and lyte_notification settings before outputting them back in the page, allowing high privilege users to set XSS payload on them and leading to stored Cross-Site Scripting issues.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.63%Unchanged since Jul 13, 2021

What each source reports

NVD Score used 4.8

Record: CVE-2021-24419
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

WP YouTube Lyte < 1.7.16 - Authenticated Stored XSS

Record: CVE-2021-24419
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2021-11331 No score

Record: EUVD-2021-11331
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jxff-rp47-w5rf No score

The WP YouTube Lyte WordPress plugin before 1.7.16 did not sanitise or escape its lyte_yt_api_key...

Record: GHSA-jxff-rp47-w5rf
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-24419 is a medium vulnerability (CVSS 4.8) in Futtta Wp Youtube Lyte, published July 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. No source names a fixed version.