XSS in Kreaweb Genealogy
CVE-2025-55287
Genealogy is a family tree PHP application. Prior to 4.4.0, Authenticated Stored Cross-Site Scripting (XSS) vulnerability was identified in the Genealogy application. Authenticated attackers could run arbitrary JavaScript in another user’s session, leading to session hijacking, data theft, and UI manipulation. This vulnerability is fixed in 4.4.0.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Kreaweb Genealogy
- Mgeurts Genealogy — versions < 4.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/MGeurts/genealogy/security/advisories/GHSA-j457-9m86-6q5r (Third Party Advisory, Mitigation)
- github.com/MGeurts/genealogy/commit/1683b3cbea5e52c99291fa231b7bc8c33f33c33f (Patch)
Frequently asked questions
- What is CVE-2025-55287?
- CVE-2025-55287 is a medium-severity vulnerability in Kreaweb Genealogy, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-08-18.
- How severe is CVE-2025-55287?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2025-55287 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.