Vulnerability Details : CVE-2021-32669
TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When settings for _backend layouts_ are not properly encoded, the corresponding grid view is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this vulnerability.
Vulnerability category: Cross site scripting (XSS)
Exploit prediction scoring system (EPSS) score for CVE-2021-32669
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 19 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-32669
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
|
6.4
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N |
1.2
|
5.2
|
GitHub, Inc. |
CWE ids for CVE-2021-32669
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2021-32669
-
https://typo3.org/security/advisory/typo3-core-sa-2021-011
TYPO3-CORE-SA-2021-011: Cross-Site Scripting in Backend Grid ViewVendor Advisory
-
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-rgcg-28xm-8mmw
Cross-Site Scripting in Backend Grid View · Advisory · TYPO3/TYPO3.CMS · GitHubThird Party Advisory
Products affected by CVE-2021-32669
- cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
- cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*