CVEvulnerability

CVE-2021-35955

4.8 MEDIUM Published 2021-08-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0 ([email protected])
3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
Weaknesses
CWE-79

Description

Contao >=4.0.0 allows backend XSS via HTML attributes to an HTML field. Fixed in 4.4.56, 4.9.18, 4.11.7.

Affected configurations

• contao contao (>= 4.0.0 < 4.4.56) • contao contao (>= 4.5.0 < 4.9.18) • contao contao (>= 4.10.0 < 4.11.7)

Related

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References