CVE-2023-28788Network attack vector

Authenticated SQL injection via unescaped parameter

Published Dec 20, 2023 · Updated Apr 28, 2026

SQL injection in Advanced Page Visit Counter for WordPress up to 6.4.2 allows remote authenticated users to extract database data. The plugin fails to escape a user-supplied parameter and inserts it into an existing SQL query without adequate preparation, allowing appended SQL statements. Contributor-level or higher WordPress access is required, and the documented impact is database confidentiality loss with possible broader query effects.

CVSS severity8.8
High
EPSS probability0.73%
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 Advanced Page Visit Counter for WordPress up to 6.4.2 allows remote authenticated users to extract database data. The plugin fails to escape a user-supplied parameter and inserts it into an existing SQL query without adequate preparation, allowing appended SQL statements. Contributor-level or higher WordPress access is required, and the documented impact is database confidentiality loss with possible broader query effects.

The record

CVE
CVE-2023-28788
Published
Dec 20, 2023
Updated
Apr 28, 2026
Vendor
Page Visit Counter
Product
Advanced Page Visit Counter
Classifications
CWE-89, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record 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=n/a <=6.4.2 changes=[{"at":"6.4.2.1","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Page Visit Counter · Advanced Page Visit Counterversion=n/a <=6.4.2 changes=[{"at":"6.4.2.1","status":"unaffected"}]

Published CVSS scores

8.8NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

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 exploitUnconfirmed

Weakness, pattern, technique

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

Public exploit references

No public exploit references are available in this record.

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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