What’s Vulnerable › Vulnerabilities

CVE-2023-4561: Cross-site Scripting (XSS) - Stored in omeka/omeka-s

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-28 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross-site Scripting (XSS) - Stored in GitHub repository omeka/omeka-s prior to 4.0.4.

Affected products

• omeka/omeka-s: before 4.0.4 — fixed in 4.0.4

How to fix

Upgrade to a fixed version: omeka/omeka-s 4.0.4. Check the vendor advisory for mitigations.

References

• https://github.com/omeka/omeka-s/commit/4482f4fc0f3a66c5ef058c4be9fabf3c29a105af
• https://huntr.dev/bounties/d4302a0d-db62-4d76-93dd-e6e6473e057a
• https://github.com/omeka/omeka-s/commit/4482f4fc0f3a66c5ef058c4be9fabf3c29a105af
• https://huntr.dev/bounties/d4302a0d-db62-4d76-93dd-e6e6473e057a

Get alerted when CVE-2023-4561 or the next vulnerability affects your stack