CVE-2020-15241: Cross-Site Scripting in TYPO3 Fluid Engine
First published: Tue May 07 2019(Updated: )
> ### Meta > * CVSS: `CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C`(5.0) > * CWE-79 --- :information_source: This vulnerability has been fixed in May 2019 already, CVE and GHSA were assigned later in October 2020 --- ### Problem It has been discovered that the Fluid Engine (package `typo3fluid/fluid`) is vulnerable to cross-site scripting when making use of the ternary conditional operator in templates like the following. ``` {showFullName ? fullName : defaultValue} ``` ### Solution Update to versions 2.0.5, 2.1.4, 2.2.1, 2.3.5, 2.4.1, 2.5.5 or 2.6.1 of this `typo3fluid/fluid` package that fix the problem described. Updated versions of this package are bundled in following TYPO3 (`typo3/cms-core`) releases: * TYPO3 v8.7.25 (using `typo3fluid/fluid` v2.5.5) * TYPO3 v9.5.6 (using `typo3fluid/fluid` v2.6.1) ### Credits Thanks to Bill Dagou who reported this issue and to TYPO3 core merger Claus Due who fixed the issue. ### References * [TYPO3-CORE-SA-2019-013](https://typo3.org/security/advisory/typo3-core-sa-2019-013)
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/typo3/cms | >=8.0.0<8.7.25>=9.0.0<9.5.6 | |
| composer/typo3fluid/fluid | >=2.0.0<2.0.5>=2.1.0<2.1.4>=2.2.0<2.2.1>=2.3.0<2.3.5>=2.4.0<2.4.1>=2.5.0<2.5.5>=2.6.0<2.6.1 | |
| composer/typo3/cms-core | >=8.0.0<8.7.25>=9.0.0<9.5.6 | |
| TYPO3 Fluid Engine | <2.0.5 | |
| TYPO3 Fluid Engine | >=2.1.0<2.1.4 | |
| TYPO3 Fluid Engine | >=2.2.0<2.2.1 | |
| TYPO3 Fluid Engine | >=2.3.0<2.3.5 | |
| TYPO3 Fluid Engine | >=2.4.0<2.4.1 | |
| TYPO3 Fluid Engine | >=2.5.0<2.5.5 | |
| TYPO3 Fluid Engine | >=2.6.0<2.6.1 | |
| Typo3 Typo3 | =8.7.25 | |
| Typo3 Typo3 | =9.5.6 | |
| composer/typo3/cms | >=9.0.0<9.5.6 | 9.5.6 |
| composer/typo3/cms | >=8.0.0<8.7.25 | 8.7.25 |
| composer/typo3/cms-core | >=9.0.0<9.5.6 | 9.5.6 |
| composer/typo3/cms-core | >=8.0.0<8.7.25 | 8.7.25 |
| composer/typo3fluid/fluid | >=2.6.0<2.6.1 | 2.6.1 |
| composer/typo3fluid/fluid | >=2.5.0<2.5.5 | 2.5.5 |
| composer/typo3fluid/fluid | >=2.4.0<2.4.1 | 2.4.1 |
| composer/typo3fluid/fluid | >=2.3.0<2.3.5 | 2.3.5 |
| composer/typo3fluid/fluid | >=2.2.0<2.2.1 | 2.2.1 |
| composer/typo3fluid/fluid | >=2.1.0<2.1.4 | 2.1.4 |
| composer/typo3fluid/fluid | >=2.0.0<2.0.5 | 2.0.5 |
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Reference Links
- https://typo3.org/security/advisory/typo3-core-sa-2019-013
- https://github.com/TYPO3/Fluid/commit/9ef6a8ffff2e812025fc0701b4ce72eea6911a3d
- https://github.com/TYPO3/Fluid/security/advisories/GHSA-7733-hjv6-4h47
- https://nvd.nist.gov/vuln/detail/CVE-2020-15241
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-15241.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-15241.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3fluid/fluid/CVE-2020-15241.yaml
- https://github.com/advisories/GHSA-7733-hjv6-4h47 (Advisory)
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