{"id":"CVE-2026-90888","kind":"vulnerability","aliases":["CVE-2026-90888"],"related":[],"title":"LeadSnap WordPress plugin: unauthenticated PHP object injection in versions up to 1.25","description":"Unauthenticated PHP Object Injection in LeadSnap <= 1.25 versions.","summary":"LeadSnap, a plugin for WordPress sites, deserializes attacker-supplied PHP objects without authentication. A remote visitor may be able to trigger object injection, which can lead to code execution on the server.","severity":"critical","cvss":9.8,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["leadsnap","package","wordpress"],"not_affected_if":["plugin-not-installed"],"how_to_check":"- Check whether the LeadSnap plugin is installed on your WordPress sites and note its version.","fix":"- LeadSnap: move to a version later than `1.25`; the sources do not name the fixed version.","status":"open","published_at":"2026-10-30T19:20:18+00:00","first_seen_at":"2026-10-30T19:25:31+00:00","triaged_at":"2026-10-30T19:25:42+00:00","updated_at":"2026-10-30T19:25:42+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-30T19:25:42Z","model":"claude-haiku-5-5","output":{"fix":"- LeadSnap: move to a version later than `1.25`; the sources do not name the fixed version.","reach":"internet","title":"LeadSnap WordPress plugin: unauthenticated PHP object injection in versions up to 1.25","impact":"high","summary":"LeadSnap, a plugin for WordPress sites, deserializes attacker-supplied PHP objects without authentication. A remote visitor may be able to trigger object injection, which can lead to code execution on the server.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","leadsnap"],"confidence":0.6,"fix_status":"unknown","needs_auth":"no","worst_case":"Attacker runs code on the server through injected PHP objects","analyst_note":"Confirm the affected plugin versions and the fixed release from the NVD entry (https://nvd.nist.gov/vuln/detail/CVE-2026-90888) and the plugin's vendor changelog.","how_to_check":"- Check whether the LeadSnap plugin is installed on your WordPress sites and note its version.\n- unknown: the sources do not say which exact code path or request is affected.","plain_action":"","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running the LeadSnap plugin at version 1.25 or earlier are described as affected. The sources do not say whether the flaw needs a particular setting or feature to be enabled. Sites without LeadSnap installed are not affected.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000683,"input_tokens":4051,"output_tokens":555,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-90888':15A,18A '1.25':12A,61C 'abl':41B 'attack':30B 'attacker-suppli':29B 'authent':35B 'code':50B 'cve':13A,16A 'deseri':28B 'execut':51B 'inject':7A,45B,58C 'lead':48B 'leadsnap':1A,19B,22B,60C 'may':39B 'object':6A,33B,44B,57C 'packag':20B 'php':5A,32B,56C 'plugin':3A,24B 'remot':37B 'server':54B 'site':27B 'suppli':31B 'trigger':43B 'unauthent':4A,55C 'version':9A,62C 'visitor':38B 'without':34B 'wordpress':2A,21B,26B","nicknames":[],"mitigations":[],"who_affected":"Sites running the LeadSnap plugin at version 1.25 or earlier are described as affected. The sources do not say whether the flaw needs a particular setting or feature to be enabled. Sites without LeadSnap installed are not affected.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"first_public_at":"2026-10-30T19:20:18+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"audit@patchstack.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-90888","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90888","severity":null,"published_at":"2026-10-30T19:20:18+00:00","modified_at":"2026-10-30T19:22:27+00:00","first_seen_at":"2026-10-30T19:25:31+00:00","fetched_at":"2026-10-30T19:25:31+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}