{"cve":"CVE-2021-24979","nvd":{"published":"2021-12-27T11:15:09.190","modified":"2026-06-17T03:41:15.337","status":"Modified","description":"The Paid Memberships Pro WordPress plugin before 2.6.6 does not escape the s parameter before outputting it back in an attribute in an admin page, leading to a Reflected Cross-Site Scripting","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://plugins.trac.wordpress.org/changeset/2632369/paid-memberships-pro/tags/2.6.6/adminpages/discountcodes.php","https://wpscan.com/vulnerability/fc011990-4ec1-4553-901d-4ff1f482cb79","https://plugins.trac.wordpress.org/changeset/2632369/paid-memberships-pro/tags/2.6.6/adminpages/discountcodes.php","https://wpscan.com/vulnerability/fc011990-4ec1-4553-901d-4ff1f482cb79"],"products":["strangerstudios:paid_memberships_pro"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-24979","score":0.01654,"percentile":0.76568,"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."]}