CVE-2021-35210

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.53%
Vendor Advisory contao.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://contao.org/en/security-advisories/cross-site-scripting-in-the-system-log-2021.html vendor advisory
https://github.com/contao/contao/security/advisories/GHSA-h58v-c6rf-g9f7 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-35210?
CVE-2021-35210 has been scored as a medium severity vulnerability.
How to fix CVE-2021-35210?
To fix CVE-2021-35210, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-35210 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-35210 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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