CVE-2020-11065 json
Cross-Site Scripting in TYPO3 CMS
published 2020-05-13 6 y ago modified 2026-07-08 4 mo ago also BIT-typo3-2020-11065 , EUVD-2020-0409 , GHSA-4j77-gg36-9864
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
In TYPO3 CMS greater than or equal to 9.5.12 and less than 9.5.17, and greater than or equal to 10.2.0 and less than 10.4.2, it has been discovered that link tags generated by typolink functionality are vulnerable to cross-site scripting; properties being assigned as HTML attributes have not been parsed correctly. This has been fixed in 9.5.17 and 10.4.2.
Patch / fix
- packagist typo3/cms-core 9.5.17, 10.4.2
- packagist typo3/cms 9.5.17, 10.4.2
- bitnami typo3 9.5.17, 10.4.2
- typo3 typo3 9.5.17, 10.4.2
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
| OSV | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | typo3/cms-core | >=10.0.0, <10.4.2 >=9.0.0, <9.5.17 |
10.4.2 9.5.17 |
| packagist | typo3/cms | >=10.0.0, <10.4.2 >=9.0.0, <9.5.17 |
10.4.2 9.5.17 |
| bitnami | typo3 | >=9.5.12, <9.5.17 >=10.2.0, <10.4.2 |
9.5.17 10.4.2 |
Affected products
- TYPO3 TYPO3 CMS
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/TYPO3/TYPO3.CMS/security/advisories/GHSA-4j77-gg36-9864
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-11065
advisory
-
github.com
/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-11065.yaml
web
-
github.com
/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-11065.yaml
web
-
typo3.org
/security/advisory/typo3-core-sa-2020-003
web
Sources
- CVE List CVE-2020-11065
- GitHub Advisory GHSA-4j77-gg36-9864
- NVD CVE-2020-11065
- OSV BIT-typo3-2020-11065
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.