CVE-2020-25768 json
Contao Insert tag injection in forms
published 2020-09-24 6 y ago modified 2026-06-17 4 mo ago also GHSA-f7wm-x4gw-6m23 , EUVD-2020-1014
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
Contao before 4.4.52, 4.9.x before 4.9.6, and 4.10.x before 4.10.1 have Improper Input Validation. It is possible to inject insert tags in front end forms which will be replaced when the page is rendered.
Patch / fix
- packagist contao/core-bundle 4.4.52, 4.9.6, 4.10.1
- packagist contao/contao 4.4.52, 4.9.6, 4.10.1
- contao contao 4.4.52, 4.9.6, 4.10.1
Exploit prediction
0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | contao/core-bundle | >=4.0.0, <4.4.52 >=4.5.0, <4.9.6 >=4.10.0, <4.10.1 |
4.4.52 4.9.6 4.10.1 |
| packagist | contao/contao | >=4.0.0, <4.4.52 >=4.5.0, <4.9.6 >=4.10.0, <4.10.1 |
4.4.52 4.9.6 4.10.1 |
Classification
References
-
community.contao.org
/en/forumdisplay.php?4-Announcements
web, release-notes, vendor-advisory
-
contao.org
/en/security-advisories/insert-tag-injection-in-forms.html
web, vendor-advisory
-
github.com
/contao/contao/security/advisories/GHSA-f7wm-x4gw-6m23
web
-
nvd.nist.gov
/vuln/detail/CVE-2020-25768
advisory
-
github.com
/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2020-25768.yaml
web
-
github.com
/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2020-25768.yaml
web
-
github.com
/contao/contao
package
Sources
- CVE List CVE-2020-25768
- GitHub Advisory GHSA-f7wm-x4gw-6m23
- NVD CVE-2020-25768
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