Threat Intelligence / CVE / CVE-2026-27540

CVE-2026-27540 — Rymera Web Co Pty Ltd. Woocommerce Wholesale Lead Capture

CVSS v3.1 9 (CRITICAL) · EPSS 2.3% (higher than 82.5% of all scored CVEs) · Priority 9.8/10 · Published 2026-03-19

As of 2026-04-29, CVE-2026-27540 is a CRITICAL-severity vulnerability in Rymera Web Co Pty Ltd. Woocommerce Wholesale Lead Capture, CVSS v3.1 9, EPSS 2.3% (82.5th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-27540, most recently “CVE-2026-27540: Unauthenticated Arbitrary File Upload in WooCommerce Wholesale Lead Capture Plugin Actively Exploited”.

Last updated: 2026-04-29

What is CVE-2026-27540?

Unrestricted Upload of File with Dangerous Type vulnerability in Rymera Web Co Pty Ltd. Woocommerce Wholesale Lead Capture woocommerce-wholesale-lead-capture allows Using Malicious Files.This issue affects Woocommerce Wholesale Lead Capture: from n/a through <= 2.0.3.1.

The record classifies CVE-2026-27540 under weakness class CWE-434. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 183 days ago.

Severity and exploitation probability

CVSS v3.1 base score
9 — CRITICAL
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (FIRST)
2.3% probability of exploitation in the next 30 days, higher than 82.5% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
9.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-03-19, last modified 2026-04-29

Is CVE-2026-27540 being exploited?

Weaponised exploit code for CVE-2026-27540 is publicly available. 1 public proof-of-concept repository is tracked for this identifier.

Affected products and versions

How to fix CVE-2026-27540

No vendor patch reference has been recorded for CVE-2026-27540 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-27540

1 tracked threat in the Threadlinqs corpus references CVE-2026-27540, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vulnerability database entry

Full detection coverage & IOCs for threats exploiting CVE-2026-27540 are available via the Threadlinqs MCP server (Purple tier). View plans →

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