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

2021-12-1415:50:11

CWE-79

Wordfence

www.cve.org

h5p css editor

wordpress

reflected cross-site scripting

h5p-css-file parameter

cve-2021-39318

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.001

Percentile

30.0%

JSON

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.

CNA Affected

[
  {
    "product": "H5P CSS Editor",
    "vendor": "H5P CSS Editor",
    "versions": [
      {
        "lessThanOrEqual": "1.0",
        "status": "affected",
        "version": "1.0",
        "versionType": "custom"
      }
    ]
  }
]