CVE-2022-40743

Apache Traffic Server: Security issues with the xdebug plugin

Description

Improper Input Validation vulnerability for the xdebug plugin in Apache Software Foundation Apache Traffic Server can lead to cross site scripting and cache poisoning attacks.This issue affects Apache Traffic Server: 9.0.0 to 9.1.3. Users should upgrade to 9.1.4 or later versions.

Remediation

Workaround:

  • Disable the xdebug plugin or change the default header to activate the plugin.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 1.46% Top 25%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Traffic Server
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/mrj2lg4s0hf027rk7gz8t7hbn9xpfg02 mailing list vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-40743?
CVE-2022-40743 has been scored as a medium severity vulnerability.
How to fix CVE-2022-40743?
As a workaround for remediating CVE-2022-40743: Disable the xdebug plugin or change the default header to activate the plugin.
Is CVE-2022-40743 being actively exploited in the wild?
It is possible that CVE-2022-40743 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-40743?
CVE-2022-40743 affects Apache Software Foundation Apache Traffic Server.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.