CVE-2019-12747 json
TYPO3 Vulnerable to Insecure Deserialization
published 2019-07-09 7 y ago modified 2026-06-17 4 mo ago also GHSA-86hp-xrhj-fhpq , EUVD-2022-3124
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.
Patch / fix
- packagist typo3/cms-core 8.7.27, 9.5.8
- packagist typo3/cms 8.7.27, 9.5.8
Exploit prediction
1.53% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
| GitHub | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | typo3/cms-core | >=8.0.0, <8.7.27 >=9.0.0, <9.5.8 |
8.7.27 9.5.8 |
| packagist | typo3/cms | >=8.0.0, <8.7.27 >=9.0.0, <9.5.8 |
8.7.27 9.5.8 |
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
github.com
/TYPO3/typo3/commit/647aa7afa582983cddc547fa106d31e2b1ef34fe
web
-
typo3.org
/security/advisory/typo3-core-sa-2019-020/
vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-12747
advisory
-
github.com
/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2019-12747.yaml
web
-
github.com
/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2019-12747.yaml
web
-
github.com
/TYPO3-CMS/core
package
-
typo3.org
/cms/release-news/typo3-8-release-notes
web
-
typo3.org
/security/advisory/typo3-core-sa-2019-020
web
Sources
- CVE List CVE-2019-12747
- GitHub Advisory GHSA-86hp-xrhj-fhpq
- NVD CVE-2019-12747
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.