CVE-2024-50476Network attack vector

Unauthenticated privilege escalation via arbitrary option update

Published Oct 29, 2024 · Updated Apr 28, 2026

Missing authorization in GRÜN spendino Spendenformular 1.0.1 and earlier allows remote attackers to gain administrative privileges. An exposed WordPress plugin request handler accepts attacker-controlled option names and values and writes them to the options store without an authorization check. No account or user interaction is required, and successful option changes can grant control of the affected WordPress site.

CVSS severity9.8
Critical
EPSS probability1.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in GRÜN spendino Spendenformular 1.0.1 and earlier allows remote attackers to gain administrative privileges. An exposed WordPress plugin request handler accepts attacker-controlled option names and values and writes them to the options store without an authorization check. No account or user interaction is required, and successful option changes can grant control of the affected WordPress site.

The record

CVE
CVE-2024-50476
Published
Oct 29, 2024
Updated
Apr 28, 2026
Vendor
GRÜN Software Group GmbH
Product
GRÜN spendino
Classifications
CWE-862, CAPEC-233, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 29, 2024CVE 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=0 <=1.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GRÜN Software Group GmbH · GRÜN spendinoversion=0 <=1.0.1
GRÜN Software Group · GRÜN spendinoversion=0 <=1.0.1

Published CVSS scores

9.8PatchstackCVSS:3.1/AV:N/AC:L/PR:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CAPEC-233Privilege Escalation
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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