{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/products/plone.app.content/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["plone.app.content"],"_cs_severities":["medium"],"_cs_tags":["information-disclosure","reconnaissance","web-application"],"_cs_type":"advisory","_cs_vendors":["Plone"],"content_html":"\u003cp\u003eThe Plone security team has disclosed an information disclosure vulnerability in \u003ccode\u003eplone.app.content\u003c/code\u003e (GHSA-vhwp-qc29-j4xp). The flaw permits unauthenticated users to list all users and groups registered on a Plone site. The leaked information includes specific user IDs and full names. The vulnerability affects Plone installations where the Plone REST API is enabled.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation allows for the enumeration of organizational user directories, providing an attacker with a list of valid usernames that can be used for subsequent password spraying, phishing, or targeted social engineering campaigns.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIdentify all Plone instances running \u003ccode\u003eplone.app.content\u003c/code\u003e and verify if the REST API is exposed.\u003c/li\u003e\n\u003cli\u003eReview the security advisory at \u003ca href=\"https://github.com/plone/plone.app.content/security/advisories/GHSA-vhwp-qc29-j4xp\"\u003ehttps://github.com/plone/plone.app.content/security/advisories/GHSA-vhwp-qc29-j4xp\u003c/a\u003e for specific patching instructions and version updates.\u003c/li\u003e\n\u003cli\u003eApply the vendor-provided patch or upgrade to the non-vulnerable version as specified in the advisory.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-10-23T04:06:05Z","date_published":"2026-10-23T04:06:05Z","id":"https://feed.craftedsignal.io/briefs/2026-10-plone-info-disclosure/","summary":"An information disclosure vulnerability in plone.app.content allows unauthenticated attackers to enumerate site users and groups when the Plone REST API is enabled.","title":"Plone: Unauthenticated user enumeration via plone.app.content","url":"https://feed.craftedsignal.io/briefs/2026-10-plone-info-disclosure/"}],"language":"en","title":"CraftedSignal Threat Feed - Plone.app.content","version":"https://jsonfeed.org/version/1.1"}