A stored cross-site scripting (XSS) vulnerability in alkacon-OpenCMS v11.0.0.0 allows…
Priority MEDIUM 58CWE-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
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
A stored cross-site scripting (XSS) vulnerability in alkacon-OpenCMS v11.0.0.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Title field under the Upload Image module.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00403 34th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed org.opencms:opencms-core (Maven): 11.0.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.opencms:opencms-core (Maven) | before 11.0.1 | 11.0.1 | Patch available | GHSA-m44f-9jhg-59cr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.opencms:opencms-core (Maven) Vendor— Affected before 11.0.1 Fixed in 11.0.1 Patch available GHSA-m44f-9jhg-59cr
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:alkacon:opencms:11.0:-:*:*:*:*:*:* | 11.0 | Vulnerable | Alkacon |
| cpe:2.3:a:alkacon:opencms:11.0:beta:*:*:*:*:*:* | 11.0 beta | Vulnerable | Alkacon |
| cpe:2.3:a:alkacon:opencms:11.0:beta2:*:*:*:*:*:* | 11.0 beta2 | Vulnerable | Alkacon |
| cpe:2.3:a:alkacon:opencms:11.0:rc:*:*:*:*:*:* | 11.0 rc | Vulnerable | Alkacon |
- cpe:2.3:a:alkacon:opencms:11.0:-:*:*:*:*:*:* Versions 11.0 Vulnerable ·Alkacon
- cpe:2.3:a:alkacon:opencms:11.0:beta:*:*:*:*:*:* Versions 11.0 beta Vulnerable ·Alkacon
- cpe:2.3:a:alkacon:opencms:11.0:beta2:*:*:*:*:*:* Versions 11.0 beta2 Vulnerable ·Alkacon
- cpe:2.3:a:alkacon:opencms:11.0:rc:*:*:*:*:*:* Versions 11.0 rc Vulnerable ·Alkacon
Remediation
- Fix · GHSA-m44f-9jhg-59cr org.opencms:opencms-core (Maven) Fixed in 11.0.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-31544
- 2026-10-03 Alias added: GHSA-m44f-9jhg-59cr
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-2021-07974 OpenCMS - Stored Cross-Site Scripting (XSS) in Sitemap CVSS 3.1MEDIUM 5.4
- TI-2018-06358 Cross-site request forgery (CSRF) vulnerability in… CVSS 3.0HIGH 8.8
Sources
- CVE-2023-31544 · CVE Program
- CVE-2023-31544 · NVD
- FIRST EPSS
- GHSA-m44f-9jhg-59cr · 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