All vulnerabilities

Servers and applications

CVE-2020-25768

Insert tag injection in forms

Severity
Medium 5.3
Published
24 Sept 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.4.52, 4.9.6, 4.10.1
Also known as
GHSA-f7wm-x4gw-6m23
Sources
NVD, Project advisories (GitHub)

Description

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.

Affected software

SoftwareAffected versions
ContaoServers and applications · cpe:a:contao:contao
  • From 4.0 before 4.4.52
  • From 4.9.0 before 4.9.6
  • From 4.10.0 before 4.10.1
ContaoServers and applications · github:contao/contao
  • From 4.0.0 before 4.4.52

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-25768
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-25768
  • GitHub Advisory Database https://github.com/advisories/GHSA-f7wm-x4gw-6m23
  • github.com https://github.com/contao/contao/security/advisories/GHSA-f7wm-x4gw-6m23