CVE-2024-41447Public exploitNetwork attack vector

Stored XSS via unneutralized article author input

Published Apr 18, 2025 · Updated Apr 18, 2025

Stored XSS in Alkacon OpenCMS 17.0 allows remote authenticated users to execute scripts in readers' browsers through article author data. The Create/Modify article function stores the author parameter without neutralizing HTML, then renders it as active markup on an article's Read More view. Article creation or modification access is required, and execution occurs when another user opens the published article's Read More view.

CVSS severity5.4
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Alkacon OpenCMS 17.0 allows remote authenticated users to execute scripts in readers' browsers through article author data. The Create/Modify article function stores the author parameter without neutralizing HTML, then renders it as active markup on an article's Read More view. Article creation or modification access is required, and execution occurs when another user opens the published article's Read More view.

The record

CVE
CVE-2024-41447
Published
Apr 18, 2025
Updated
Apr 18, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 18, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 18, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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 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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

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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