{"id":"CVE-2026-107447","kind":"vulnerability","aliases":["CVE-2026-107447"],"related":[],"title":"Contest Gallery WordPress plugin: vote limit bypassed by spoofed visitor identity","description":"The Contest Gallery WordPress plugin before 34.0.1 does not reliably validate the visitor identity used to enforce its one-vote-per-entry restriction, trusting a client-supplied request header and an unbound client-generated token, which allows unauthenticated users to bypass the restriction and cast multiple votes for the same contest entry, inflating its vote total.","summary":"The Contest Gallery WordPress plugin trusts a client-supplied request header and an unbound client-generated token to enforce its one-vote-per-entry rule. An unauthenticated visitor can send crafted requests to cast repeated votes for the same entry and inflate its total.","severity":"medium","cvss":5.3,"epss":0.00203,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["contest-gallery","package","self-hosted","wordpress"],"not_affected_if":["no-public-voting","plugin-not-installed"],"how_to_check":"- Look for the Contest Gallery plugin in the WordPress admin plugin list and read its installed version.\n- Check whether any contest on the site uses public voting, since the bypass only affects vote counts.\n- `wp plugin get contest-gallery --field=version` if WP-CLI is available.","fix":"- Update the Contest Gallery plugin to `34.0.1` or later.\n- Review vote totals on active contests for implausible spikes from a single source and reset them if needed.","status":"open","published_at":"2026-10-21T09:17:06+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","triaged_at":"2026-10-25T04:21:01+00:00","updated_at":"2026-10-25T04:21:01+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-25T04:21:01Z","model":"claude-haiku-5-5","output":{"fix":"- Update the Contest Gallery plugin to `34.0.1` or later.\n- Review vote totals on active contests for implausible spikes from a single source and reset them if needed.","reach":"internet","title":"Contest Gallery WordPress plugin: vote limit bypassed by spoofed visitor identity","impact":"low","summary":"The Contest Gallery WordPress plugin trusts a client-supplied request header and an unbound client-generated token to enforce its one-vote-per-entry rule. An unauthenticated visitor can send crafted requests to cast repeated votes for the same entry and inflate its total.","category":"package","nicknames":[],"who_cares":["wordpress","contest-gallery","self-hosted"],"confidence":0.7,"needs_auth":"no","worst_case":"Vote totals inflated by repeated unauthenticated voting on contest entries.","analyst_note":"","how_to_check":"- Look for the Contest Gallery plugin in the WordPress admin plugin list and read its installed version.\n- Check whether any contest on the site uses public voting, since the bypass only affects vote counts.\n- `wp plugin get contest-gallery --field=version` if WP-CLI is available.","needs_analyst":false,"not_affected_if":["plugin-not-installed","no-public-voting"],"who_is_affected":"Sites running the Contest Gallery WordPress plugin before `34.0.1` that run public voting contests. The exposure is limited to vote integrity; the sources do not describe access to site data or code execution. Sites without the plugin or without public voting contests can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000628,"input_tokens":3381,"output_tokens":579,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-107447':14A,17A '-2026':13A,16A '34.0.1':79C 'allow':112C 'bypass':7A,116C 'cast':62B,120C 'client':34B,42B,100C,108C 'client-gener':41B,107C 'client-suppli':33B,99C 'contest':1A,19B,27B,74C,126C 'contest-galleri':18B 'craft':59B 'cve':12A,15A 'enforc':46B,89C 'entri':52B,68B,95C,127C 'galleri':2A,20B,28B,75C 'generat':43B,109C 'header':37B,103C 'host':24B 'ident':11A,86C 'inflat':70B,128C 'limit':6A 'multipl':121C 'one':49B,92C 'one-vote-per-entri':48B,91C 'packag':21B 'per':51B,94C 'plugin':4A,30B,77C 'reliabl':82C 'repeat':63B 'request':36B,60B,102C 'restrict':96C,118C 'rule':53B 'self':23B 'self-host':22B 'send':58B 'spoof':9A 'suppli':35B,101C 'token':44B,110C 'total':72B,131C 'trust':31B,97C 'unauthent':55B,113C 'unbound':40B,106C 'use':87C 'user':114C 'valid':83C 'visitor':10A,56B,85C 'vote':5A,50B,64B,93C,122C,130C 'wordpress':3A,25B,29B,76C","nicknames":[],"mitigations":[],"who_affected":"Sites running the Contest Gallery WordPress plugin before `34.0.1` that run public voting contests. The exposure is limited to vote integrity; the sources do not describe access to site data or code execution. Sites without the plugin or without public voting contests can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-21T09:17:06+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cvss_by":"contact@wpscan.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-107447","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107447","severity":null,"published_at":"2026-10-21T09:17:06+00:00","modified_at":"2026-10-21T18:37:38+00:00","first_seen_at":"2026-10-23T21:57:28+00:00","fetched_at":"2026-10-23T22:29:01+00:00","note":null},{"source":"epss","external_id":"CVE-2026-107447","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-107447","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T13:15:54+00:00","fetched_at":"2026-10-24T13:15:54+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"}