CVE-2021-42362
CVSS V2 Medium 6.5
CVSS V3 High 8.8
Description
The WordPress Popular Posts WordPress plugin is vulnerable to arbitrary file uploads due to insufficient input file type validation found in the ~/src/Image.php file which makes it possible for attackers with contributor level access and above to upload malicious files that can be used to obtain remote code execution, in versions up to and including 5.3.2.
Overview
- CVE ID
- CVE-2021-42362
- Assigner
- security@wordfence.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-17T18:15:08
- Last Modified Date
- 2021-12-21T20:23:15
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:wordpress_popular_posts_project:wordpress_popular_posts:*:*:*:*:*:wordpress:*:* | 1 | OR | 5.3.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://www.wordfence.com/vulnerability-advisories/#CVE-2021-42362 | Third Party Advisory |
| https://wpscan.com/vulnerability/bd4f157c-a3d7-4535-a587-0102ba4e3009 | Third Party Advisory |
| https://plugins.trac.wordpress.org/changeset/2542638/wordpress-popular-posts/trunk/src/Image.php | Patch Third Party Advisory |
| https://blog.nintechnet.com/improper-input-validation-fixed-in-wordpress-popular-posts-plugin/ | Exploit Third Party Advisory |
| http://packetstormsecurity.com/files/165376/WordPress-Popular-Posts-5.3.2-Remote-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-42362 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42362 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:40:25 | Added to TrackCVE | |||
| 2022-12-05 14:42:13 | 2021-11-17T18:15Z | 2021-11-17T18:15:08 | CVE Published Date | updated |
| 2022-12-05 14:42:13 | 2021-12-21T20:23:15 | CVE Modified Date | updated | |
| 2022-12-05 14:42:13 | Analyzed | Vulnerability Status | updated |