CVE-2022-42000

Stored XSS via unneutralized wiki comments

Published Nov 15, 2022 · Updated Apr 28, 2025

Stored cross-site scripting in BlueSpiceSocialProfile in BlueSpice 4 before 4.2.1 allows local users with comment permissions to inject HTML. The comment section stores and renders user-supplied HTML without adequate neutralization. Comment permission is required; the injected content is delivered when another user views the affected wiki-page comment.

CVSS severity3.3
Low
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

Stored cross-site scripting in BlueSpiceSocialProfile in BlueSpice 4 before 4.2.1 allows local users with comment permissions to inject HTML. The comment section stores and renders user-supplied HTML without adequate neutralization. Comment permission is required; the injected content is delivered when another user views the affected wiki-page comment.

The record

CVE
CVE-2022-42000
Published
Nov 15, 2022
Updated
Apr 28, 2025
Vendor
Hallo Welt! GmbH
Product
BlueSpice
Classifications
CWE-79, T1189
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 15, 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=4 <4.2.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Hallo Welt! GmbH · BlueSpiceversion=4 <4.2.1

Published CVSS scores

3.3Hallo Welt! GmbHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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