CVE-2021-47766Public exploitNetwork attack vector

Authenticated database read and write via tipocomb injection

Published Jan 15, 2026 · Updated Jan 15, 2026

SQL injection in kmaleonW.php in Wolters Kluwer Kmaleon 1.1.0.205 allows remote authenticated users to read or alter database data. The endpoint incorporates the tipocomb GET parameter into a MySQL query without neutralizing SQL operators, enabling boolean-, error-, and time-based injection. A valid application session is required; successful requests expose database confidentiality and limited integrity without reported availability impact.

CVSS severity7.1
High
EPSS probability0.27%
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 kmaleonW.php in Wolters Kluwer Kmaleon 1.1.0.205 allows remote authenticated users to read or alter database data. The endpoint incorporates the tipocomb GET parameter into a MySQL query without neutralizing SQL operators, enabling boolean-, error-, and time-based injection. A valid application session is required; successful requests expose database confidentiality and limited integrity without reported availability impact.

The record

CVE
CVE-2021-47766
Published
Jan 15, 2026
Updated
Jan 15, 2026
Vendor
Wolters Kluwer
Product
Kmaleon
Classifications
CWE-89, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 15, 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=1.1.0.205

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Wolters Kluwer · Kmaleonversion=1.1.0.205

Published CVSS scores

7.1VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
7.1VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

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.

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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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