CVE-2021-35955

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-35955
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.

4.8 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.7 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5 /10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://contao.org/en/news/contao-4-9-16-and-4-11-5-are-available.html Vendor Advisory
https://github.com/contao/contao/security/advisories/GHSA-hr3h-x6gq-rqcp Third Party Advisory
https://contao.org/en/news/contao-4-9-16-and-4-11-5-are-available.html Vendor Advisory
https://github.com/contao/contao/security/advisories/GHSA-hr3h-x6gq-rqcp Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
History

21 Nov 2024, 06:12

Type Values Removed Values Added
References () https://contao.org/en/news/contao-4-9-16-and-4-11-5-are-available.html - Vendor Advisory () https://contao.org/en/news/contao-4-9-16-and-4-11-5-are-available.html - Vendor Advisory
References () https://github.com/contao/contao/security/advisories/GHSA-hr3h-x6gq-rqcp - Third Party Advisory () https://github.com/contao/contao/security/advisories/GHSA-hr3h-x6gq-rqcp - Third Party Advisory

20 Aug 2021, 19:51

Type Values Removed Values Added
CPE cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
References (MISC) https://github.com/contao/contao/security/advisories/GHSA-hr3h-x6gq-rqcp - (MISC) https://github.com/contao/contao/security/advisories/GHSA-hr3h-x6gq-rqcp - Third Party Advisory
References (MISC) https://contao.org/en/news/contao-4-9-16-and-4-11-5-are-available.html - (MISC) https://contao.org/en/news/contao-4-9-16-and-4-11-5-are-available.html - Vendor Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 3.5
v3 : 4.8
CWE CWE-79

12 Aug 2021, 15:39

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-12 15:15

Updated : 2024-11-21 06:12

NVD link : CVE-2021-35955

Mitre link : CVE-2021-35955

CVE.ORG link : CVE-2021-35955

JSON object : View

Products Affected

contao

  • contao
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')