CVE-2021-39343
CVSS V2 Low 3.5
CVSS V3 Medium 4.8
Description
The MPL-Publisher WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/libs/PublisherController.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 1.30.2. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
Overview
- CVE ID
- CVE-2021-39343
- Assigner
- security@wordfence.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-10-19T15:15:07
- Last Modified Date
- 2021-10-22T20:22:30
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mpl-publisher_project:mpl-publisher:*:*:*:*:*:wordpress:*:* | 1 | OR | 1.30.2 |
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:H/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 4.8
- Base Severity
- MEDIUM
- Exploitability Score
- 1.7
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39343 | Third Party Advisory |
| https://plugins.trac.wordpress.org/browser/mpl-publisher/trunk/libs/PublisherController.php#L35 | Exploit Third Party Advisory |
| https://github.com/BigTiger2020/word-press/blob/main/MPL-Publisher.md | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-39343 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39343 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:50:05 | Added to TrackCVE | |||
| 2022-12-05 12:39:42 | 2021-10-19T15:15Z | 2021-10-19T15:15:07 | CVE Published Date | updated |
| 2022-12-05 12:39:42 | 2021-10-22T20:22:30 | CVE Modified Date | updated | |
| 2022-12-05 12:39:42 | Analyzed | Vulnerability Status | updated |