What is CVE-2019-17130?

CVE-2019-17130 is a medium-severity vulnerability in Vbulletin, classified under Files or Directories Accessible to External Parties. CVSS score: 6.5/10. Published 2019-10-04.

How severe is CVE-2019-17130?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Vbulletin

CVE-2019-17130

vBulletin through 5.5.4 mishandles external URLs within the /core/vb/vurl.php file and the /core/vb/vurl directories.

Published 2019-10-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Vbulletin

Weakness classification (CWE)

CWE-552 — Files or Directories Accessible to External Parties

References

forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/44… (Vendor Advisory)

Frequently asked questions

What is CVE-2019-17130?: CVE-2019-17130 is a medium-severity vulnerability in Vbulletin, classified under Files or Directories Accessible to External Parties. CVSS score: 6.5/10. Published 2019-10-04.
How severe is CVE-2019-17130?: Medium severity. CVSS v3 base score is 6.5 out of 10.