CVE-2022-3849Public exploitNetwork attack vector

Administrator SQL injection via unescaped user_id

Published Nov 28, 2022 · Updated Apr 28, 2025

SQL injection in Fahad Mahmood's WP User Merger before 1.5.3 allows remote authenticated users to manipulate database queries. The administrative merge handler inserts the user_id request parameter into a SQL statement without sanitizing, escaping, or using a prepared query. Administrator access to the WordPress dashboard is required, limiting exploitation to already privileged accounts.

CVSS severity8.8
High
EPSS probability1.08%
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 Fahad Mahmood's WP User Merger before 1.5.3 allows remote authenticated users to manipulate database queries. The administrative merge handler inserts the user_id request parameter into a SQL statement without sanitizing, escaping, or using a prepared query. Administrator access to the WordPress dashboard is required, limiting exploitation to already privileged accounts.

The record

CVE
CVE-2022-3849
Published
Nov 28, 2022
Updated
Apr 28, 2025
Vendor
Fahad Mahmood
Product
WP User Merger
Classifications
CWE-89
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Nov 28, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2025Record 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=0 <1.5.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Fahad Mahmood · WP User Mergerversion=0 <1.5.3

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8CISA-ADPCVSS: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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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

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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