CVE-2021-25076Public exploitNetwork attack vector

Authenticated SQL injection via unescaped status parameter

Published Jan 24, 2022 · Updated Aug 3, 2024

SQL injection in WP User Frontend before 3.5.26 allows remote authenticated users to alter database queries through the status parameter. The Subscribers dashboard concatenates status into SQL without validation or escaping, then returns query-controlled content without output sanitization. Access to that WordPress administration page is required; SQL execution is limited by the site's database account, and reflected script runs only when a crafted response is rendered.

CVSS severity8.8
High
EPSS probability17.12%
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 WP User Frontend before 3.5.26 allows remote authenticated users to alter database queries through the status parameter. The Subscribers dashboard concatenates status into SQL without validation or escaping, then returns query-controlled content without output sanitization. Access to that WordPress administration page is required; SQL execution is limited by the site's database account, and reflected script runs only when a crafted response is rendered.

The record

CVE
CVE-2021-25076
Published
Jan 24, 2022
Updated
Aug 3, 2024
Vendor
HappyAddons
Product
WP User Frontend
Classifications
CWE-89, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 24, 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=3.5.26 <3.5.26

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

HappyAddons · WP User Frontendversion=3.5.26 <3.5.26

Published CVSS scores

8.8WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:P

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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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