{"id":"CVE-2011-1340","aliases":["GHSA-cvwc-g7fw-7xrj","PYSEC-2026-896"],"title":"Plone XSS Vulnerability","summary":"Plone XSS Vulnerability","severity":"medium","vendor":"plone","product":"plone","ecosystem":"pip","affected":["plone < 2.5.3"],"patched":["plone 2.5.3"],"published":"2022-05-17","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-cvwc-g7fw-7xrj","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1340"},{"url":"https://web.archive.org/web/20110816092954/http://dev.plone.org/plone/changeset/12262"},{"url":"https://web.archive.org/web/20110817133423/https://dev.plone.org/plone/ticket/6110"},{"url":"http://jvn.jp/en/jp/JVN41222793/index.html"},{"url":"http://jvndb.jvn.jp/jvndb/JVNDB-2011-000056"}],"tags":["osv","pip"],"epss":0.01153,"epssPercentile":0.65097,"ingestedAt":"2026-07-08T18:25:48.589Z","slug":"CVE-2011-1340","body":"## Overview\n\nCross-site scripting (XSS) vulnerability in `skins/plone_templates/default_error_message.pt` in Plone before 2.5.3 allows remote attackers to inject arbitrary web script or HTML via the type_name parameter to `Members/ipa/createObject`.\n\n## Affected packages\n\n- `plone < 2.5.3`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `plone 2.5.3`","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":27.5,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}