Vulnerability · Published Nov 14, 2023 · Assigned by GitHub_M
CVE-2023-47125By-passing Cross-Site Scripting Protection in HTML Sanitizer
Medium 4.7
In plain English
A medium-severity cross-site scripting in html-sanitizer from TYPO3. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | typo3/html-sanitizer | 1.5.3 | GHSA-mm79-jhqm-9j54 |
| Packagist | typo3/html-sanitizer | 2.1.4 | GHSA-mm79-jhqm-9j54 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TYPO3 | html-sanitizer | >= 1.0.0, < 1.5.3>= 2.0.0, < 2.1.4 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N