CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-43308
High (7.5) in markdown-link-extractor project markdown-link-extractor. EPSS 1.1% chance of exploitation in the next 30 days. Fixed in markdown-link-extractor 3.0.2, 4.0.1.
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the markdown-link-extractor npm package, when an attacker is able to supply arbitrary input to the module's exported function
Severity
- EPSS
- 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1333
- Published
- Modified
- Record from
- the NVD, synced
Affected
- markdown-link-extractor_project:markdown-link-extractor
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-mmh6-m7v9-5956 | npm | markdown-link-extractor | <3.0.2 | 3.0.2 |
| GHSA-mmh6-m7v9-5956 | npm | markdown-link-extractor | >=4.0.0 <4.0.1 | 4.0.1 |