Vulnerability Description
Bootstrap Package is a theme for TYPO3. It has been discovered that rendering content in the website frontend is vulnerable to cross-site scripting. A valid backend user account is needed to exploit this vulnerability. Users of the extension, who have overwritten the affected templates with custom code must manually apply the security fix. Update to version 7.1.2, 8.0.8, 9.1.4, 10.0.10 or 11.0.3 of the Bootstrap Package that fix the problem described. Updated version are available from the TYPO3 extension manager, Packagist and at https://extensions.typo3.org/extension/download/bootstrap_package/.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Typo3 | Typo3 | < 7.1.2 |
Related Weaknesses (CWE)
References
- https://github.com/benjaminkott/bootstrap_package/commit/de3a568fc311d6712d93396PatchThird Party Advisory
- https://github.com/benjaminkott/bootstrap_package/security/advisories/GHSA-p48w-ExploitThird Party Advisory
- https://typo3.org/security/advisory/typo3-ext-sa-2021-007ExploitPatchVendor Advisory
- https://github.com/benjaminkott/bootstrap_package/commit/de3a568fc311d6712d93396PatchThird Party Advisory
- https://github.com/benjaminkott/bootstrap_package/security/advisories/GHSA-p48w-ExploitThird Party Advisory
- https://typo3.org/security/advisory/typo3-ext-sa-2021-007ExploitPatchVendor Advisory
FAQ
What is CVE-2021-21365?
CVE-2021-21365 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Bootstrap Package is a theme for TYPO3. It has been discovered that rendering content in the website frontend is vulnerable to cross-site scripting. A valid backend user account is needed to exploit t...
How severe is CVE-2021-21365?
CVE-2021-21365 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21365?
Check the references section above for vendor advisories and patch information. Affected products include: Typo3 Typo3.