XSS in Jupo Mezzanine
CVE-2025-6050
Mezzanine CMS, in versions prior to 6.1.1, contains a Stored Cross-Site Scripting (XSS) vulnerability in the admin interface. The vulnerability exists in the "displayable_links_js" function, which fails to properly sanitize blog post titles before including them in JSON responses served via "/admin/displayable_links.js". An authenticated admin user can create a blog post with a malicious JavaScript payload in the title field, then trick another admin user into clicking a direct link to the "/admin/displayable_links.js" endpoint, causing the malicious script to execute in their browser.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (18.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Jupo Mezzanine — versions 0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 596c5446-0ce5-4ba2-aa66-48b3b757a647 (Issue Tracking)
- 596c5446-0ce5-4ba2-aa66-48b3b757a647 (Patch)
- 596c5446-0ce5-4ba2-aa66-48b3b757a647 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-6050?
- CVE-2025-6050 is a medium-severity vulnerability in Jupo Mezzanine, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-06-17.
- How severe is CVE-2025-6050?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2025-6050 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.