CVE-2021-24142Public exploitNetwork attack vector

Authenticated SQL injection via unsanitized CSV source

Published Mar 18, 2021 · Updated Aug 3, 2024

SQL injection in WebFactory Ltd 301 Redirects – Redirect Manager before 2.51 allows remote authenticated users to execute crafted SQL. The CSV import path places the unsanitized Redirect From column into a database query, allowing attacker-supplied SQL expressions to execute. WordPress administrator access and a valid import nonce are required; the demonstrated effect is time-delay query execution.

CVSS severity7.2
High
EPSS probability1.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in WebFactory Ltd 301 Redirects – Redirect Manager before 2.51 allows remote authenticated users to execute crafted SQL. The CSV import path places the unsanitized Redirect From column into a database query, allowing attacker-supplied SQL expressions to execute. WordPress administrator access and a valid import nonce are required; the demonstrated effect is time-delay query execution.

The record

CVE
CVE-2021-24142
Published
Mar 18, 2021
Updated
Aug 3, 2024
Vendor
WebFactory Ltd
Product
301 Redirects – Redirect Manager
Classifications
CWE-89, T1190
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 18, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.51 <2.51

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

WebFactory Ltd · 301 Redirects – Redirect Managerversion=2.51 <2.51

Published CVSS scores

6.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:P
7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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