H5P CSS Editor <= 1.0 Reflected Cross-Site Scripting
CVE-2021-39318

6.1MEDIUM

Key Information:

Vendor

WordPress
Status
H5p Css Editor
Vendor
CVE Published:
14 December 2021

What is CVE-2021-39318?

The H5P CSS Editor WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the h5p-css-file parameter found in the ~/h5p-css-editor.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.

Affected Version(s)

H5P CSS Editor 1.0

References

https://www.wordfence.com/vulnerability-advisories/#CVE-2...
x_refsource_MISC
https://plugins.trac.wordpress.org/browser/h5p-css-editor...
x_refsource_MISC

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

p7e4
.