What is CVE-2010-3661?

CVE-2010-3661 is a medium-severity vulnerability in TYPO3, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2019-11-01.

How severe is CVE-2010-3661?

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

Open Redirect in TYPO3

CVE-2010-3661

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows Open Redirection on the backend.

Vulnerability class: Open Redirect

Published 2019-11-01 · 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: 0.009 (58.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

TYPO3

Weakness classification (CWE)

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

References

security-tracker.debian.org/tracker/CVE-2010-3661 (Third Party Advisory)
bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Third Party Advisory)
typo3.org/security/advisory/typo3-sa-2010-012/ (Vendor Advisory)

Frequently asked questions

What is CVE-2010-3661?: CVE-2010-3661 is a medium-severity vulnerability in TYPO3, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2019-11-01.
How severe is CVE-2010-3661?: Medium severity. CVSS v3 base score is 6.1 out of 10.