CVE-2021-24959Public exploitNetwork attack vector

Authenticated SQL injection via unescaped AJAX parameter

Published Mar 14, 2022 · Updated Aug 3, 2024

SQL injection in Techspawn Solutions WP Email Users 1.7.6 and earlier allows remote authenticated users to read WordPress database data. The weu_selected_users_1 AJAX action passes the unescaped data_raw parameter into a database query, allowing UNION-based query manipulation. Any authenticated account, including a Subscriber, can invoke the action and retrieve user email addresses or other database contents accessible to WordPress.

CVSS severity8.8
High
EPSS probability2.25%
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 Techspawn Solutions WP Email Users 1.7.6 and earlier allows remote authenticated users to read WordPress database data. The weu_selected_users_1 AJAX action passes the unescaped data_raw parameter into a database query, allowing UNION-based query manipulation. Any authenticated account, including a Subscriber, can invoke the action and retrieve user email addresses or other database contents accessible to WordPress.

The record

CVE
CVE-2021-24959
Published
Mar 14, 2022
Updated
Aug 3, 2024
Vendor
Techspawn Solutions
Product
WP Email Users
Classifications
CWE-89, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 14, 2022CVE 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=1.7.6 <=1.7.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Techspawn Solutions · WP Email Usersversion=1.7.6 <=1.7.6

Published CVSS scores

6.5NVDAV:N/AC:L/Au:S/C:P/I:P/A:P
8.8NVDCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
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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