CVE-2020-11064: Cross-Site Scripting in TYPO3 CMS
First published: Tue May 12 2020(Updated: )
In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.17 and greater than or equal to 10.0.0 and less than 10.4.2, it has been discovered that HTML `placeholder` attributes containing data of other database records are vulnerable to cross-site scripting. A valid backend user account is needed to exploit this vulnerability. Update to TYPO3 versions 9.5.17 or 10.4.2 that fix the problem described. ### References * https://typo3.org/security/advisory/typo3-core-sa-2020-002
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/typo3/cms-core | >=10.0.0<10.4.2>=9.0.0<9.5.17 | |
| composer/typo3/cms | >=10.0.0<10.4.2>=9.0.0<9.5.17 | |
| Typo3 Typo3 | >=9.0.0<9.5.17 | |
| Typo3 Typo3 | >=10.0.0<10.4.2 | |
| composer/typo3/cms | >=9.0.0<9.5.17 | 9.5.17 |
| composer/typo3/cms | >=10.0.0<10.4.2 | 10.4.2 |
| composer/typo3/cms-core | >=10.0.0<10.4.2 | 10.4.2 |
| composer/typo3/cms-core | >=9.0.0<9.5.17 | 9.5.17 |
| >=9.0.0<9.5.17 | ||
| >=10.0.0<10.4.2 |
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Reference Links
- https://typo3.org/security/advisory/typo3-core-sa-2020-002
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-43gj-mj2w-wh46
- https://nvd.nist.gov/vuln/detail/CVE-2020-11064
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-11064.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-11064.yaml
- https://github.com/advisories/GHSA-43gj-mj2w-wh46 (Advisory)
Frequently Asked Questions
What is TYPO3-CORE-SA-2020-002?
TYPO3-CORE-SA-2020-002 is a vulnerability in TYPO3 CMS that allows for cross-site scripting (XSS) attacks.
What is the severity of CVE-2020-11064?
The severity of CVE-2020-11064 is medium with a CVSS score of 5.4.
Which versions of TYPO3 CMS are affected by CVE-2020-11064?
TYPO3 CMS versions 9.0.0 to 9.5.17 and 10.0.0 to 10.4.2 are affected by CVE-2020-11064.
How can a cross-site scripting (XSS) attack be performed with CVE-2020-11064?
By exploiting the vulnerability in TYPO3 CMS, an attacker can inject malicious scripts into HTML placeholder attributes, potentially leading to XSS attacks.
Are there any fixes or patches available for CVE-2020-11064?
Yes, TYPO3 CMS has released fixes and patches for CVE-2020-11064. It is recommended to update to version 9.5.17 or 10.4.2 to mitigate the vulnerability.
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