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CVE-2021-24835· NVD / CVE Program· CNA WPScan

WCFM - Frontend Manager for WooCommerce < 6.5.12 - Customer/Subscriber+ SQL Injection

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

HighCVSS 8.8 · v3.1—No exploit No fix recorded
Published
Nov 8, 2021
Updated
Jun 16, 2026
EPSS
1.3% · 70th percentile
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Report tools

JSON

Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.3%

Affected systems

VendorProduct
wcloversfrontend manager for woocommerce along with bookings subscription listings compatible

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • wclovers frontend manager for woocommerce along with bookings subscription listings compatiblebefore 6.5.12

Versions reported by the vendor

Affected version ranges reported by the assigning authority (WPScan). Independent of NVD's CPE analysis and usually ahead of it.

  • Unknown WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible

    • 6.5.12 and later · before 6.5.12affected

Same product

wclovers: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-24849WCFM - WooCommerce Multivendor Marketplace < 3.4.12 - Unauthenticated SQL Injection
    42Plan
  • CVE-2024-8290WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible <= 6.7.12 - Insecure Direct Object Reference to Account Takeover/Pr
    35Monitor
  • CVE-2022-4938WCFM Frontend Manager <= 6.5.13 - Cross-Site Request Forgery
    35Monitor
  • CVE-2022-4937The WCFM Frontend Manager plugin for WordPress is vulnerable to unauthorized modification and access of data in versions up to, and includin
    35Monitor
  • CVE-2025-3780WCFM – Frontend Manager for WooCommerce along with Bookings Subscription Listings Compatible <= 6.7.16 - Missing Authorization to Unauthenticated Plugin Setting
    26Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Root cause

The query text is built by concatenating user input. The database cannot tell where the data ends and the command begins.

The bug in code

The whole CWE-89 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const owner = req.query.owner;const rows = await db.query(  "SELECT * FROM files WHERE owner = '" + owner + "'");

Fixed

ts
const owner = req.query.owner;const rows = await db.query(  "SELECT * FROM files WHERE owner = $1",  [owner]);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

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