CVE-2021-35210 — Cross-site Scripting in Contao

CWE-79 — Cross-site Scripting4 documents4 sources
Severity
6.1MEDIUMNVD
EPSS
0.3%
top 45.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
ContaoContao Core-bundle
Timeline
PublishedJun 23
Latest updateJul 1

Description

Contao 4.5.x through 4.9.x before 4.9.16, and 4.10.x through 4.11.x before 4.11.5, allows XSS. It is possible to inject code into the tl_log table that will be executed in the browser when the system log is called in the back end.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages3 packages

▶NVDcontao/contao4.5.0 — 4.9.16+1
▶Packagistcontao/contao4.5.0 — 4.9.16+1
▶Packagistcontao/core-bundle4.5.0 — 4.9.16+1

🔴Vulnerability Details

3
OSV
Cross site scripting in the system log↗2021-07-01
▶
GHSA
Cross site scripting in the system log↗2021-07-01
▶
CVEList
CVE-2021-35210: Contao 4↗2021-06-23
▶
CVE-2021-35210 — Cross-site Scripting in Contao | cvebase