CVE-2019-16521
CVSS V2 Medium 4.3
CVSS V3 Medium 6.1
Description
The broken-link-checker plugin through 1.11.8 for WordPress (aka Broken Link Checker) is susceptible to Reflected XSS due to improper encoding and insertion of an HTTP GET parameter into HTML. The filter function on the page listing all detected broken links can be exploited by providing an XSS payload in the s_filter GET parameter in a filter_id=search request. NOTE: this is an end-of-life product.
Overview
- CVE ID
- CVE-2019-16521
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2019-10-16T15:15:15
- Last Modified Date
- 2019-10-18T20:24:32
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:managewp:broken_link_checker:*:*:*:*:*:wordpress:*:* | 1 | OR | 1.11.8 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 6.1
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://wordpress.org/plugins/broken-link-checker/#developers | Product Third Party Advisory |
| https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-02_WordPress_Plugin_Broken_Link_Checker | Exploit Third Party Advisory |
| https://wpvulndb.com/vulnerabilities/9917 | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2019/10/16/3 | Exploit Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-16521 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16521 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:01:14 | Added to TrackCVE | |||
| 2022-12-04 04:24:40 | 2019-10-16T15:15Z | 2019-10-16T15:15:15 | CVE Published Date | updated |
| 2022-12-04 04:24:40 | 2019-10-18T20:24:32 | CVE Modified Date | updated | |
| 2022-12-04 04:24:40 | Analyzed | Vulnerability Status | updated |