Cross-site Scripting (XSS) - Stored in omeka/omeka-s
Priority MEDIUM 55CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site Scripting (XSS) - Stored in GitHub repository omeka/omeka-s prior to 4.0.4.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00523 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed omeka/omeka-s (omeka): 4.0.4
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
Remediation
- Fix · CNA omeka/omeka-s (omeka) Fixed in 4.0.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
omeka/omeka-s 4.0.4
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2023-04206 Improper Authorization of Index Containing Sensitive Information in omeka/omeka-sPriority MEDIUM 62
Timeline
- 2026-10-02 Threatist record created from CVE-2023-4561
- 2026-10-03 Alias added: GHSA-j7q9-xpf4-q24f
References
More Omeka S vulnerabilities
- TI-2023-03848 Unrestricted Upload of File with Dangerous Type in omeka/omeka-s CVSS 3.1HIGH 8.8
- TI-2023-04206 Improper Authorization of Index Containing Sensitive Information in omeka/omeka-s CVSS 3.1MEDIUM 6.5
- TI-2023-03847 Cross-site Scripting (XSS) - Stored in omeka/omeka-s CVSS 3.1MEDIUM 5.4
- TI-2023-03846 Improper Neutralization of Special Elements in Output Used by a Downstream Component in omeka/omeka-s CVSS 3.1MEDIUM 5.2
Sources
- CVE-2023-4561 · CVE Program
- CVE-2023-4561 · NVD
- FIRST EPSS
- GHSA-j7q9-xpf4-q24f · 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