What is CVE-2010-4266?

CVE-2010-4266 is a medium-severity vulnerability in Vanillaforums Vanilla Forums, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-06-22.

How severe is CVE-2010-4266?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Vanillaforums Vanilla Forums

CVE-2010-4266

It was found in vanilla forums before 2.0.10 a potential linkbait vulnerability in dispatcher.

Vulnerability class: Open Redirect

Published 2021-06-22 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Vanillaforums Vanilla Forums
Vanilla Forums — versions vanilla forums before 2.0.10

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

open.vanillaforums.com/discussion/13119/vanilla-2.0.10-released/p1 (Vendor Advisory)

Frequently asked questions

What is CVE-2010-4266?: CVE-2010-4266 is a medium-severity vulnerability in Vanillaforums Vanilla Forums, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-06-22.
How severe is CVE-2010-4266?: Medium severity. CVSS v3 base score is 6.1 out of 10.