CVE-2021-21358
published 2021-03-23CVE-2021-21358: TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 10.4.14, 11.1.1 it has been discovered that the Form Designer backend…
PriorityP426medium5.4CVSS 3.1
AVNACLPRLUIRSCCLILAN
EPSS
0.87%
54.3th percentile
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 10.4.14, 11.1.1 it has been discovered that the Form Designer backend module of the Form Framework is vulnerable to cross-site scripting. A valid backend user account with access to the form module is needed to exploit this vulnerability. This is fixed in versions 10.4.14, 11.1.1.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| typo3 | cms | >= 10.0.0 < 10.4.14 | 10.4.14 |
| typo3 | cms | >= 11.0.0 < 11.1.1 | 11.1.1 |
| typo3 | cms-core | >= 10.0.0 < 10.4.14 | 10.4.14 |
| typo3 | cms-core | >= 11.0.0 < 11.1.1 | 11.1.1 |
| typo3 | cms-form | >= 10.2.0 < 10.4.14 | 10.4.14 |
| typo3 | cms-form | >= 11.0.0 < 11.1.1 | 11.1.1 |
| typo3 | typo3 | >= 10.2.0 < 10.4.14 | 10.4.14 |
| typo3 | typo3 | >= 11.0.0 < 11.1.1 | 11.1.1 |
| typo3 | typo3.cms | — | — |
| typo3 | typo3.cms | — | — |
CVSS provenance
nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
nvdv2.03.5LOWAV:N/AC:M/Au:S/C:N/I:P/A:N
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OSV
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form
osv·2021-03-23
CVE-2021-21358 [MEDIUM] Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form
### Problem
It has been discovered that the Form Designer backend module of the Form Framework is vulnerable to cross-site scripting. A valid backend user account with access to the form module is needed to exploit this vulnerability.
### Solution
Update to TYPO3 versions 10.4.14 or 11.1.1 that fix the problem described.
### Credits
Thanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.
### References
* [TYPO3-CORE-SA-2021-004](https://typo3.org/security/advisory/typo3-core-sa-2021-004)
GHSA
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form
ghsa·2021-03-23
CVE-2021-21358 [MEDIUM] CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form
### Problem
It has been discovered that the Form Designer backend module of the Form Framework is vulnerable to cross-site scripting. A valid backend user account with access to the form module is needed to exploit this vulnerability.
### Solution
Update to TYPO3 versions 10.4.14 or 11.1.1 that fix the problem described.
### Credits
Thanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.
### References
* [TYPO3-CORE-SA-2021-004](https://typo3.org/security/advisory/typo3-core-sa-2021-004)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x79j-wgqv-g8h2https://packagist.org/packages/typo3/cms-formhttps://typo3.org/security/advisory/typo3-core-sa-2021-004https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x79j-wgqv-g8h2https://packagist.org/packages/typo3/cms-formhttps://typo3.org/security/advisory/typo3-core-sa-2021-004
2021-03-23
Published