What is CVE-2025-55287?

CVE-2025-55287 is a high-severity vulnerability in Mgeurts Genealogy, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2025-08-18.

How severe is CVE-2025-55287?

High severity. CVSS v3 base score is 8.0 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.

XSS in Mgeurts 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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (18.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Mgeurts Genealogy — versions < 4.4.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

https://github.com/MGeurts/genealogy/security/advisories/GHSA-j457-9m86-6q5r (x_refsource_CONFIRM)
https://github.com/MGeurts/genealogy/commit/1683b3cbea5e52c99291fa231b7bc8c33f33c33f (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-55287?: CVE-2025-55287 is a high-severity vulnerability in Mgeurts Genealogy, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2025-08-18.
How severe is CVE-2025-55287?: High severity. CVSS v3 base score is 8.0 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.