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CVE-2021-24835 - Before 6 Plugin

CVE-2021-24835

The WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible WordPress plugin before 6.5.12, when used in combination with another WCFM - WooCommerce Multivendor plugin such as WCFM - WooCommerce Multivendor Marketplace, does not escape the withdrawal_vendor parameter before using it in a SQL statement, allowing low privilege users such as Subscribers to perform SQL injection attacks

CVE-2021-24835

HIGH CVSS 8.8 Published 2021-11-08 Updated 2024-11-21
AI Risk High (86/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P2 Urgent
Severity Band HIGH
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Components 3
Reference Links 1
AI Risk Engine High (86/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2021-11-08 CVE published and first recorded in the threat feed.
  2. 2024-11-21 Record updated with latest vulnerability metadata.
  3. 2026-04-11 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 5 days ago

AI enriched 5 days ago (2026-04-11 00:39 UTC)

Technical Summary

The WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible WordPress plugin before 6.5.12, when used in combination with another WCFM - WooCommerce Multivendor plugin such as WCFM - WooCommerce Multivendor Marketplace, does not escape the withdrawal_vendor parameter before using it in a SQL statement, allowing low privilege users such as Subscribers to perform SQL injection attacks

Potential Impact

Severity is HIGH (CVSS 8.8). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High based on remote code execution potential.

Primary risk drivers: remote code execution potential

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 86/100 (High, High) with priority P2 Urgent. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Before 6 PLUGIN · before-6 Affected: < 6.5.12 Fixed in: 6.5.12
Frontend Manager For Woocommerce Along With Bookings Subscription Listings Compatible PLUGIN · frontend-manager-for-woocommerce-along-with-bookings-subscription-listings-compatible Affected: < 6.5.12 Fixed in: 6.5.12
Tend Manager For Woocommerce Along With Bookings Subscription Listings Compatible PLUGIN · tend-manager-for-woocommerce-along-with-bookings-subscription-listings-compatible Affected: < 6.5.12 Fixed in: 6.5.12
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