Description
The page module in TYPO3 before 8.7.11, and 9.1.0, has XSS via $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'], as demonstrated by an admin entering a crafted site name during the installation process.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
-
pradeepjairamani/TYPO3-XSS-POC ★ 5 · Apr 8, 2018
Typo3 -v9.1.0 Persistent Cross Site Scripting(XSS) Assigned CVE Number: CVE-2018-6905
-
dnr6419/CVE-2018-6905 ★ 0 · Jun 2, 2021
typo3 install.php XSS
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | typo3/cms | < 9.2.0 | 9.2.0 | GHSA-3w22-wrwx-2r75 |