CVE-2021-39202
CVSS V2 Low 3.5
CVSS V3 Medium 5.4
Description
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions the widgets editor introduced in WordPress 5.8 beta 1 has improper handling of HTML input in the Custom HTML feature. This leads to stored XSS in the custom HTML widget. This has been patched in WordPress 5.8. It was only present during the testing/beta phase of WordPress 5.8.
Overview
- CVE ID
- CVE-2021-39202
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-09T22:15:09
- Last Modified Date
- 2021-09-24T13:53:00
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
cpe:2.3:a:wordpress:wordpress:5.8:beta1:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:a:wordpress:wordpress:5.8:beta2:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:S/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 3.5
- Severity
- LOW
- Exploitability Score
- 6.8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 5.4
- Base Severity
- MEDIUM
- Exploitability Score
- 2.3
- Impact Score
- 2.7
References
Reference URL | Reference Tags |
---|---|
https://hackerone.com/reports/1222797 | Permissions Required |
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-fr6h-3855-j297 | Third Party Advisory |
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-39202 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39202 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-05-10 06:53:35 | Added to TrackCVE | |||
2022-12-05 10:18:39 | 2021-09-09T22:15Z | 2021-09-09T22:15:09 | CVE Published Date | updated |
2022-12-05 10:18:39 | 2021-09-24T13:53:00 | CVE Modified Date | updated | |
2022-12-05 10:18:40 | Analyzed | Vulnerability Status | updated |