{"id":"CVE-2026-114196","kind":"vulnerability","aliases":["CVE-2026-114196"],"related":[],"title":"Paytium WordPress plugin: untrusted data deserialization lets attackers inject objects","description":"Deserialization of Untrusted Data vulnerability in paytiumsupport Paytium paytium allows Object Injection.This issue affects Paytium: from n/a through 5.0.5.","summary":"Paytium, a WordPress payment plugin, deserializes untrusted data without checks, allowing PHP object injection. The sources do not say what an attacker can do with an injected object, but object injection on a site often leads to code execution.","severity":"critical","cvss":9.8,"epss":0.00564,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","paytium","self-hosted","wordpress"],"not_affected_if":["plugin-not-installed"],"how_to_check":"- Check the installed Paytium version in the WordPress admin plugin list or with `wp plugin get paytium --field=version`\n- unknown if other checks are needed","fix":"- Update Paytium to a version later than `5.0.5`\n- unknown whether a patched version number is published in the sources","status":"open","published_at":"2026-10-24T08:16:51+00:00","first_seen_at":"2026-10-24T08:47:15+00:00","triaged_at":"2026-10-25T02:59:39+00:00","updated_at":"2026-10-25T12:38:49+00:00","category":"package","confidence":0.6,"triage":{"at":"2026-10-25T02:59:39Z","model":"claude-haiku-5-5","output":{"fix":"- Update Paytium to a version later than `5.0.5`\n- unknown whether a patched version number is published in the sources","reach":"internet","title":"Paytium WordPress plugin: untrusted data deserialization lets attackers inject objects","impact":"high","summary":"Paytium, a WordPress payment plugin, deserializes untrusted data without checks, allowing PHP object injection. The sources do not say what an attacker can do with an injected object, but object injection on a site often leads to code execution.","category":"package","nicknames":[],"who_cares":["wordpress","paytium","self-hosted"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker injects PHP objects, possibly running code on the server","analyst_note":"Confirm the patched Paytium version and whether the flaw needs authentication, via the NVD entry or the plugin's changelog.","how_to_check":"- Check the installed Paytium version in the WordPress admin plugin list or with `wp plugin get paytium --field=version`\n- unknown if other checks are needed","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running the Paytium WordPress plugin version `5.0.5` or earlier. The sources do not describe the exact code path or required role, so treat any site with the plugin installed as in scope. Sites without Paytium can skip it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000587,"input_tokens":3288,"output_tokens":516,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-114196':13A,16A '-2026':12A,15A '5.0.5':80C 'affect':75C 'allow':33B,71C 'attack':8A,44B 'check':32B 'code':60B 'cve':11A,14A 'data':5A,30B,65C 'deseri':6A,28B,62C 'execut':61B 'host':21B 'inject':9A,36B,49B,53B 'injection.this':73C 'issu':74C 'lead':58B 'let':7A 'n/a':78C 'object':10A,35B,50B,52B,72C 'often':57B 'packag':17B 'payment':26B 'paytium':1A,18B,23B,69C,70C,76C 'paytiumsupport':68C 'php':34B 'plugin':3A,27B 'say':41B 'self':20B 'self-host':19B 'site':56B 'sourc':38B 'untrust':4A,29B,64C 'vulner':66C 'without':31B 'wordpress':2A,22B,25B","nicknames":[],"mitigations":[],"who_affected":"Sites running the Paytium WordPress plugin version `5.0.5` or earlier. The sources do not describe the exact code path or required role, so treat any site with the plugin installed as in scope. Sites without Paytium can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-24T08:16:51+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-2026-114196","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114196","severity":null,"published_at":"2026-10-24T08:16:51+00:00","modified_at":"2026-10-24T08:16:51+00:00","first_seen_at":"2026-10-24T08:47:15+00:00","fetched_at":"2026-10-24T08:47:15+00:00","note":null},{"source":"epss","external_id":"CVE-2026-114196","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-114196","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-25T12:38:49+00:00","fetched_at":"2026-10-25T12:38:49+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"}