{"cve":"CVE-2021-24354","nvd":{"published":"2021-06-14T14:15:08.703","modified":"2026-06-17T03:39:53.113","status":"Modified","description":"A lack of capability checks and insufficient nonce check on the AJAX action in the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, made it possible for authenticated users to install arbitrary plugins on vulnerable sites.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-862"],"references":["https://wpscan.com/vulnerability/8638b36c-6641-491f-b9df-5db3645e4668","https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/","https://wpscan.com/vulnerability/8638b36c-6641-491f-b9df-5db3645e4668","https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/"],"products":["wpdeveloper:simple_301_redirects"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-24354","score":0.0148,"percentile":0.73917,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}