CVE-2016-4056 json
TYPO3 Backend component Cross-site scripting (XSS) vulnerability
published 2017-01-23 9 y ago modified 2026-06-17 4 mo ago also GHSA-ffcm-vhcw-p32r , EUVD-2022-3759
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
Cross-site scripting (XSS) vulnerability in the Backend component in TYPO3 6.2.x before 6.2.19 allows remote attackers to inject arbitrary web script or HTML via the module parameter when creating a bookmark.
Patch / fix
- packagist typo3/cms 6.2.19
Exploit prediction
1.08% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- labs.integrity.pt https://labs.integrity.pt/advisories/cve-pending-stored-cross-site-scripting-in-typo3-bookmarks/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | typo3/cms | >=6.2.0, <6.2.19 |
6.2.19 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
typo3.org
/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-006/
patch, vendor-advisory
-
labs.integrity.pt
/advisories/cve-pending-stored-cross-site-scripting-in-typo3-bookmarks/
exploit, technical-description, third-party-advisory
-
openwall.com
/lists/oss-security/2016/04/21/1
mailing-list, web
-
nvd.nist.gov
/vuln/detail/CVE-2016-4056
advisory
-
github.com
/TYPO3/typo3
package
-
labs.integrity.pt
/advisories/cve-pending-stored-cross-site-scripting-in-typo3-bookmarks
web
-
typo3.org
/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-006
web
Sources
- CVE List CVE-2016-4056
- GitHub Advisory GHSA-ffcm-vhcw-p32r
- NVD CVE-2016-4056
Fencer Intel 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.