Stored XSS via unescaped image copyright
Published Apr 21, 2025 · Updated Jul 5, 2026
Stored XSS in Alkacon OpenCms 17.0 allows remote authenticated users to execute script in a victim's browser through an article image. The Create/Modify article function stores the image copyright subfield without neutralizing HTML or JavaScript before rendering it. Low-privileged content access and a victim viewing the crafted article are required, exposing data or actions available to the victim session.
Summary
What happened
Stored XSS in Alkacon OpenCms 17.0 allows remote authenticated users to execute script in a victim's browser through an article image. The Create/Modify article function stores the image copyright subfield without neutralizing HTML or JavaScript before rendering it. Low-privileged content access and a victim viewing the crafted article are required, exposing data or actions available to the victim session.
The record
- CVE
- CVE-2024-41446
- Published
- Apr 21, 2025
- Updated
- Jul 5, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-79, T1059.007
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 21, 2025CVE publishedPublication date reported by the CVE source.
- Jul 5, 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?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
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.
Weakness, pattern, technique
Public exploit references
- Stored XSS in image copyright attribute proof of conceptproof of concept · unverified
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Technologies
Your stack
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Your stack
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