{"cve":"CVE-2021-35959","nvd":{"published":"2021-06-30T01:15:07.070","modified":"2026-06-17T03:58:06.370","status":"Modified","description":"In Plone 5.0 through 5.2.4, Editors are vulnerable to XSS in the folder contents view, if a Contributor has created a folder with a SCRIPT tag in the description field.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["http://www.openwall.com/lists/oss-security/2021/06/30/2","https://plone.org/security/hotfix/20210518/stored-xss-in-folder-contents","http://www.openwall.com/lists/oss-security/2021/06/30/2","https://plone.org/security/hotfix/20210518/stored-xss-in-folder-contents"],"products":["plone:plone"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-35959","score":0.00541,"percentile":0.45482,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-qfhw-fv3g-v836","url":"https://osv.dev/vulnerability/GHSA-qfhw-fv3g-v836","summary":"Plone has stored XSS in folder contents","modified":"2024-10-18T22:01:13.956658Z","packages":[{"ecosystem":"PyPI","name":"plone","purl":"pkg:pypi/plone","ranges":[">=5.0 <=5.2.4"],"fixed":[]}]},{"id":"PYSEC-2021-110","url":"https://osv.dev/vulnerability/PYSEC-2021-110","summary":"","modified":"2026-06-10T17:02:30.932679876Z","packages":[{"ecosystem":"PyPI","name":"plone","purl":"pkg:pypi/plone","ranges":[">=5.0 <5.2.5"],"fixed":["5.2.5"]}]}],"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."]}