{"schema_version":1,"title":"Plone vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 8 vulnerabilities in Plone: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2021-33507, was published on 9 July 2026.","url":"https://junglewise.ai/threats/technologies/plone","json_url":"https://junglewise.ai/threats/technologies/plone.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/plone","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":8,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":3,"last_365_days":3},"latest":[{"cve":"CVE-2021-33507","cvss":3.1,"epss":0.0075,"slug":"cve-2021-33507-plone-reflected-cross-site-scripting-vulnerability","title":"PYSEC-2026-2967 - Cross-site scripting in Products.CMFCore, Products.PluggableAuthService, Plone","severity":"low","exploited":false,"published_at":"2026-07-09T16:49:33.633106+00:00","url":"https://junglewise.ai/threats/cve-2021-33507-plone-reflected-cross-site-scripting-vulnerability"},{"cve":"CVE-2011-1950","cvss":3.1,"epss":0.0235,"slug":"cve-2011-1950-plone-privilege-escalation-in-account-property-modification","title":"PYSEC-2026-2888 - Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts","severity":"low","exploited":false,"published_at":"2026-07-09T16:49:32.377883+00:00","url":"https://junglewise.ai/threats/cve-2011-1950-plone-privilege-escalation-in-account-property-modification"},{"cve":"CVE-2020-28736","cvss":3.1,"epss":0.0145,"slug":"cve-2020-28736-plone-xml-external-entity-injection-in-schema-editor","title":"PYSEC-2026-735 - Improper Restriction of XML External Entity Reference in Plone","severity":"low","exploited":false,"published_at":"2026-07-02T14:13:10.056554+00:00","url":"https://junglewise.ai/threats/cve-2020-28736-plone-xml-external-entity-injection-in-schema-editor"},{"cve":"CVE-2021-29002","cvss":3.1,"epss":0.0075,"slug":"cve-2021-29002-plone-cms-stored-cross-site-scripting-in-site-control-panel","title":"PYSEC-2021-889 - A stored cross-site scripting (XSS) vulnerability in Plone CMS 5.2.3 exists in site-controlpanel via the \"form.widgets.site_title\" parameter","severity":"low","exploited":false,"published_at":"2021-03-24T15:15:00+00:00","url":"https://junglewise.ai/threats/cve-2021-29002-plone-cms-stored-cross-site-scripting-in-site-control-panel"},{"cve":"CVE-2016-7136","cvss":3,"epss":0.0159,"slug":"cve-2016-7136-plone-cms-cross-site-scripting-in-forms","title":"PYSEC-2017-59 - z3c.form in Plone CMS 5.x through 5.0.6 and 4.x through 4.3.11 allows remote attackers to conduct cross-site scripting (XSS) attacks via a c","severity":"low","exploited":false,"published_at":"2017-03-07T16:59:00+00:00","url":"https://junglewise.ai/threats/cve-2016-7136-plone-cms-cross-site-scripting-in-forms"},{"cve":"CVE-2012-5500","cvss":3.1,"epss":0.011,"slug":"cve-2012-5500-plone-cross-site-request-forgery-in-batch-rename-script","title":"PYSEC-2014-42 - The batch id change script (renameObjectsByPaths.py) in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to change the title","severity":"low","exploited":false,"published_at":"2014-11-03T22:55:00+00:00","url":"https://junglewise.ai/threats/cve-2012-5500-plone-cross-site-request-forgery-in-batch-rename-script"},{"cve":"CVE-2012-5494","cvss":3.1,"epss":0.012,"slug":"cve-2012-5494-plone-cross-site-scripting-in-python-scripts","title":"PYSEC-2014-36 - Cross-site scripting (XSS) vulnerability in python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to inject","severity":"low","exploited":false,"published_at":"2014-09-30T14:55:00+00:00","url":"https://junglewise.ai/threats/cve-2012-5494-plone-cross-site-scripting-in-python-scripts"},{"cve":"CVE-2012-5493","cvss":3.1,"epss":0.0171,"slug":"cve-2012-5493-plone-sandbox-bypass-via-gtbn-py","title":"PYSEC-2014-35 - gtbn.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote authenticated users with certain permissions to bypass the Python sandbox","severity":"low","exploited":false,"published_at":"2014-09-30T14:55:00+00:00","url":"https://junglewise.ai/threats/cve-2012-5493-plone-sandbox-bypass-via-gtbn-py"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Plone Volto","slug":"volto","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/volto"}],"technology":{"hub":true,"name":"Plone","slug":"plone","vendor":{"name":"Plone","slug":"plone","url":"https://junglewise.ai/threats/vendors/plone"},"aliases":[],"category":"cms","homepage":"https://plone.org/","repo_url":"https://github.com/plone/Products.CMFPlone","description":"Plone is an open-source content management system built on top of the Zope application server.","url":"https://junglewise.ai/threats/technologies/plone"},"most_severe":[{"cve":"CVE-2011-1950","cvss":3.1,"epss":0.0235,"slug":"cve-2011-1950-plone-privilege-escalation-in-account-property-modification","title":"PYSEC-2026-2888 - Plone and plone.app.users allow remote authenticated users to modify the properties of arbitrary accounts","severity":"low","exploited":false,"published_at":"2026-07-09T16:49:32.377883+00:00","url":"https://junglewise.ai/threats/cve-2011-1950-plone-privilege-escalation-in-account-property-modification"},{"cve":"CVE-2012-5493","cvss":3.1,"epss":0.0171,"slug":"cve-2012-5493-plone-sandbox-bypass-via-gtbn-py","title":"PYSEC-2014-35 - gtbn.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote authenticated users with certain permissions to bypass the Python sandbox","severity":"low","exploited":false,"published_at":"2014-09-30T14:55:00+00:00","url":"https://junglewise.ai/threats/cve-2012-5493-plone-sandbox-bypass-via-gtbn-py"},{"cve":"CVE-2020-28736","cvss":3.1,"epss":0.0145,"slug":"cve-2020-28736-plone-xml-external-entity-injection-in-schema-editor","title":"PYSEC-2026-735 - Improper Restriction of XML External Entity Reference in Plone","severity":"low","exploited":false,"published_at":"2026-07-02T14:13:10.056554+00:00","url":"https://junglewise.ai/threats/cve-2020-28736-plone-xml-external-entity-injection-in-schema-editor"},{"cve":"CVE-2012-5494","cvss":3.1,"epss":0.012,"slug":"cve-2012-5494-plone-cross-site-scripting-in-python-scripts","title":"PYSEC-2014-36 - Cross-site scripting (XSS) vulnerability in python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to inject","severity":"low","exploited":false,"published_at":"2014-09-30T14:55:00+00:00","url":"https://junglewise.ai/threats/cve-2012-5494-plone-cross-site-scripting-in-python-scripts"},{"cve":"CVE-2012-5500","cvss":3.1,"epss":0.011,"slug":"cve-2012-5500-plone-cross-site-request-forgery-in-batch-rename-script","title":"PYSEC-2014-42 - The batch id change script (renameObjectsByPaths.py) in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to change the title","severity":"low","exploited":false,"published_at":"2014-11-03T22:55:00+00:00","url":"https://junglewise.ai/threats/cve-2012-5500-plone-cross-site-request-forgery-in-batch-rename-script"},{"cve":"CVE-2021-33507","cvss":3.1,"epss":0.0075,"slug":"cve-2021-33507-plone-reflected-cross-site-scripting-vulnerability","title":"PYSEC-2026-2967 - Cross-site scripting in Products.CMFCore, Products.PluggableAuthService, Plone","severity":"low","exploited":false,"published_at":"2026-07-09T16:49:33.633106+00:00","url":"https://junglewise.ai/threats/cve-2021-33507-plone-reflected-cross-site-scripting-vulnerability"},{"cve":"CVE-2021-29002","cvss":3.1,"epss":0.0075,"slug":"cve-2021-29002-plone-cms-stored-cross-site-scripting-in-site-control-panel","title":"PYSEC-2021-889 - A stored cross-site scripting (XSS) vulnerability in Plone CMS 5.2.3 exists in site-controlpanel via the \"form.widgets.site_title\" parameter","severity":"low","exploited":false,"published_at":"2021-03-24T15:15:00+00:00","url":"https://junglewise.ai/threats/cve-2021-29002-plone-cms-stored-cross-site-scripting-in-site-control-panel"},{"cve":"CVE-2016-7136","cvss":3,"epss":0.0159,"slug":"cve-2016-7136-plone-cms-cross-site-scripting-in-forms","title":"PYSEC-2017-59 - z3c.form in Plone CMS 5.x through 5.0.6 and 4.x through 4.3.11 allows remote attackers to conduct cross-site scripting (XSS) attacks via a c","severity":"low","exploited":false,"published_at":"2017-03-07T16:59:00+00:00","url":"https://junglewise.ai/threats/cve-2016-7136-plone-cms-cross-site-scripting-in-forms"}],"generated_at":"2026-09-26T13:07:00.120236+00:00"}