Cross-site scripting (XSS) vulnerability in the gallery function in Alkacon OpenCMS…
Priority LOW 24CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site scripting (XSS) vulnerability in the gallery function in Alkacon OpenCMS 10.5.3 allows remote attackers to inject arbitrary web script or HTML via a malicious SVG image.
Why it matters now
EPSS 0.01329 71st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-8815
- 2026-10-03 Alias added: GHSA-x7hg-m24q-xfmj
References
More Alkacon Opencms vulnerabilities
- TI-2024-28583 Cross Site Scripting vulnerability in Create/Modify article function in Alkacon OpenCMS… CVSS 3.1MEDIUM 6.5
- TI-2023-19187 An arbitrary file upload vulnerability in the component /workplace#!explorer of Alkacon… CVSS 3.1MEDIUM 6.1
- TI-2024-27633 A stored cross-site scripting (XSS) vulnerability in Alkacon OpenCMS v17.0 allows… CVSS 3.1MEDIUM 5.4
- TI-2024-27632 A stored cross-site scripting (XSS) vulnerability in Alkacon OpenCMS v17.0 allows… CVSS 3.1MEDIUM 5.4
- TI-2023-15113 A stored cross-site scripting (XSS) vulnerability in alkacon-OpenCMS v11.0.0.0 allows… CVSS 3.1MEDIUM 5.4
- TI-2021-07974 OpenCMS - Stored Cross-Site Scripting (XSS) in Sitemap CVSS 3.1MEDIUM 5.4
Sources
- CVE-2018-8815 · CVE Program
- CVE-2018-8815 · NVD
- FIRST EPSS
- GHSA-x7hg-m24q-xfmj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences