CVE-2021-32768
Description
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions failing to properly parse, sanitize and encode malicious rich-text content, the content rendering process in the website frontend is vulnerable to cross-site scripting. Corresponding rendering instructions via TypoScript functionality HTMLparser does not consider all potentially malicious HTML tag & attribute combinations per default. In default scenarios, a valid backend user account is needed to exploit this vulnerability. In case custom plugins used in the website frontend accept and reflect rich-text content submitted by users, no authentication is required. Update to TYPO3 versions 7.6.53 ELTS, 8.7.42 ELTS, 9.5.29, 10.4.19, 11.3.2 that fix the problem described.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
typo3/cms-corePackagist | >= 7.0.0, < 7.6.53 | 7.6.53 |
typo3/cms-corePackagist | >= 8.0.0, < 8.7.42 | 8.7.42 |
typo3/cms-corePackagist | >= 10.0.0, < 10.4.19 | 10.4.19 |
typo3/cms-corePackagist | >= 11.0.0, < 11.3.2 | 11.3.2 |
typo3/cms-corePackagist | >= 9.0.0, < 9.5.29 | 9.5.29 |
typo3/cmsPackagist | >= 10.0.0, < 10.4.19 | 10.4.19 |
typo3/cmsPackagist | >= 11.0.0, < 11.3.2 | 11.3.2 |
typo3/cmsPackagist | >= 9.0.0, < 9.5.29 | 9.5.29 |
typo3/cmsPackagist | >= 8.0.0, < 8.7.42 | 8.7.42 |
typo3/cmsPackagist | >= 7.0.0, < 7.6.53 | 7.6.53 |
Affected products
4- osv-coords3 versions
>= 7.0.0, < 7.6.52+ 2 more
- (no CPE)range: >= 7.0.0, < 7.6.52
- (no CPE)range: >= 10.0.0, < 10.4.19
- (no CPE)range: >= 7.0.0, < 7.6.53
Patches
Vulnerability mechanics
References
7- github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-c5c9-8c6m-727vnvdThird Party AdvisoryWEB
- github.com/advisories/GHSA-c5c9-8c6m-727vghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-32768ghsaADVISORY
- typo3.org/security/advisory/typo3-core-sa-2021-013nvdVendor AdvisoryWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-32768.yamlghsaWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-32768.yamlghsaWEB
- github.com/TYPO3/typo3/security/advisories/GHSA-c5c9-8c6m-727vghsaWEB
News mentions
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