CVE-2021-24471

Public Exploit
YouTube Embed < 5.2.2 - Contributor+ Stored XSS

Description

The YouTube Embed WordPress plugin before 5.2.2 does not validate, escape or sanitise some of its shortcode attributes, leading to Stored XSS issues by 1. using w, h, controls, cc_lang, color, language, start, stop, or style parameter of youtube shortcode, 2. by using style, class, rel, target, width, height, or alt parameter of youtube_thumb shortcode, or 3. by embedding a video whose title or description contains XSS payload (if API key is configured).

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.16%
Third-Party Advisory wpscan.com
Affected: Unknown YouTube Embed
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/a8ccb09a-9f8c-448f-b2d0-9b01c3a748ac third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-24471?
CVE-2021-24471 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24471?
To fix CVE-2021-24471, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24471 being actively exploited in the wild?
It is possible that CVE-2021-24471 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24471?
CVE-2021-24471 affects Unknown YouTube Embed.
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