CVE-2021-21340
CVSS V2 Low 3.5
CVSS V3 Medium 5.4
Description
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 database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 10.4.14, 11.1.1 .
Overview
- CVE ID
- CVE-2021-21340
- Assigner
- security-advisories@github.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-23T02:15:12
- Last Modified Date
- 2021-03-26T18:42:40
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:* | 1 | OR | 10.0.0 | 10.4.14 |
| cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:* | 1 | OR | 11.0.0 | 11.1.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:S/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 3.5
- Severity
- LOW
- Exploitability Score
- 6.8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 5.4
- Base Severity
- MEDIUM
- Exploitability Score
- 2.3
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://typo3.org/security/advisory/typo3-core-sa-2021-007 | Vendor Advisory |
| https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-fjh3-g8gq-9q92 | Third Party Advisory |
| https://packagist.org/packages/typo3/cms-backend | Release Notes Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-21340 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21340 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:18:33 | Added to TrackCVE | |||
| 2022-12-06 00:12:00 | 2021-03-23T02:15Z | 2021-03-23T02:15:12 | CVE Published Date | updated |
| 2022-12-06 00:12:00 | 2021-03-26T18:42:40 | CVE Modified Date | updated | |
| 2022-12-06 00:12:00 | Analyzed | Vulnerability Status | updated |