TYPO3 before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows XSS and Open Redirection in the frontend login box.

published 2019-11-04 7 y ago modified 2026-06-16 4 mo ago also EUVD-2010-3657

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

Patch / fix

fixed in 1

typo3 typo3 4.2.13, 4.3.4, 4.4.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-3669 updated 2026-06-27 cvss 5.4

php-typo3-phar-stream-wrapper: XSS and Open Redirection in the frontend login box

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.9	AV:N/AC:M/Au:S/C:P/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-601 URL Redirection to Untrusted Site

References

typo3.org /security/advisory/typo3-sa-2010-012/#XSS
vendor-advisory
security-tracker.debian.org /tracker/CVE-2010-3669
third-party-advisory
bugs.debian.org /cgi-bin/bugreport.cgi?bug=590719
mailing-list, third-party-advisory

Sources

CVE List CVE-2010-3669
NVD CVE-2010-3669

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary