01 Record
CVE-2019-16521
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
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.39% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 72.1% of scored records. A rank, not a probability.
- NVD base score
- 6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-10-16 14:05Z7 YR AGO
- Last updated
- 2024-08-05 01:17Z2 YR AGO
- Reserved
- 2019-09-19
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.1
- Document digest
- 5834960874aaf55e30f404c4e059c2a972f7d04a558878778c0881976195314e
05 Affected products
VendorProductVersionsPlatforms
06 References
- wordpress.orghttps://wordpress.org/plugins/broken-link-checker/#developers
- github.comhttps://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-02_WordPress_Plugin_Broken_Link_Checker
- www.openwall.com[oss-security] 20191016 [SBA-ADV-20190913-02] CVE-2019-16521: WordPress Plugin - Broken Link Checker <= 1.11.8 - Reflected XSShttp://www.openwall.com/lists/oss-security/2019/10/16/3
- wpvulndb.comhttps://wpvulndb.com/vulnerabilities/9917