alkacon-OpenCMS vulnerable to stored Cross-site Scripting
A stored cross-site scripting (XSS) vulnerability in alkacon-OpenCMS v11.0.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Title field under the Upload Image module.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.opencms:opencms-core | < 11.0.1 | 11.0.1 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Java / Kotlin (Maven)
- Package
org.opencms:opencms-core- Disclosed
- 16.05.2023
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-m44f-9jhg-59cr - CC BY 4.0
Vulnerability history: org.opencms:opencms-core
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 31
- First → latest
- 11.2019 05.2026
- Without a fix
- 4
- Exploited in attacks
- 0
Severity breakdown
- High 3
- Medium 17
- Low 11
Disclosures per year
- 2019: 4
- 2020: 0
- 2021: 1
- 2022: 15
- 2023: 3
- 2024: 1
- 2025: 3
- 2026: 4
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