CVE-2026-86832
validatedZero produced an exploit or a check.GHSA-5m3g-q793-wg8x ↗EUVD-2026-91939 ↗
description
MetForm for WordPress versions before 4.3.1 insufficiently restrict access to form submission data through its REST API. An unauthenticated attacker may be able to view information submitted through forms without needing an account.
mitigation
Update the MetForm WordPress plugin to version 4.3.1 or later. Until updates are complete, restrict public access to the affected REST API endpoints where feasible.
fixed in 4.3.1
outcome
Differential: the exploit fired on the vulnerable build and stayed silent on the patched one.
source signals
Public signals that triggered or updated the pipeline. These are inputs for the deltas above.
- 2026-10-03 06:00Zghsa: trigger signal, started the run
- 2026-10-03 06:00Zcve.org record for CVE-2026-86832
this entry in the feed
GET /api/v1/feed/CVE-2026-86832
{ "etk_id": "ETK-2026-598", "cve_id": "CVE-2026-86832", "display_id": "CVE-2026-86832", "ghsa_id": "GHSA-5m3g-q793-wg8x", "euvd_id": "EUVD-2026-91939", "status": "published", "anchor_state": "anchored", "title": "Unauthenticated form submission data exposure in MetForm", "summary": "MetForm for WordPress versions before 4.3.1 insufficiently restrict access to form submission data through its REST API. An unauthenticated attacker may be able to view information submitted through forms without needing an account.", "mitigation": "Update the MetForm WordPress plugin to version 4.3.1 or later. Until updates are complete, restrict public access to the affected REST API endpoints where feasible.", "vendor": null, "product": "MetForm", "affected": [ { "affected_notes": [], "affected_ranges": [ ">= 0, < 4.3.1" ], "ecosystem": null, "fixed_versions": [ "4.3.1" ], "package_name": "MetForm", "purl": null } ], "cwes": [ 200 ], "cvss_score": 5.3, "cvss_src": "nvd", "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "epss_score": 0.0021, "epss_percentile": 0.1005, "epss_asof": "2026-10-20", "automation": "deterministic", "check": true, "check_confidence_basis": "differential", "exploit": true, "pipeline_minutes": 21.383785133333333, "t0_at": "2026-10-03T06:00:26.051000+00:00", "signals": { "check": { "at": "2026-10-04T22:58:03.930474+00:00", "days": 1.706688419837963, "is_lower_bound": false, "measured_at": "2026-10-03T06:00:26.051000+00:00", "url": null }, "exploit": { "at": "2026-10-04T22:58:03.930474+00:00", "days": 1.706688419837963, "is_lower_bound": false, "measured_at": "2026-10-03T06:00:26.051000+00:00", "url": null }, "trigger_signal": { "at": "2026-10-03T06:00:26.051000+00:00", "days": 0, "is_lower_bound": false, "measured_at": "2026-10-03T06:00:26.051000+00:00", "url": "https://github.com/advisories/GHSA-5m3g-q793-wg8x" } } }
published 2026-10-04 22:36Z
last change 2026-10-21 04:45Z
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