CVE-2018-1000154

Description

Zammad GmbH Zammad version 2.3.0 and earlier contains a Improper Neutralization of Script-Related HTML Tags in a Web Page (CWE-80) vulnerability in the subject of emails which are not html quoted in certain cases. This can result in the embedding and execution of java script code on users browser. This attack appear to be exploitable via the victim openning a ticket. This vulnerability appears to have been fixed in 2.3.1, 2.2.2 and 2.1.3.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.48%
Vendor Advisory zammad.com Vendor Advisory zammad.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/zammad/zammad/issues/1869 third party advisory
https://zammad.com/news/release-2-4 vendor advisory
https://zammad.com/news/security-advisory-zaa-2018-01 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-1000154?
CVE-2018-1000154 has been scored as a medium severity vulnerability.
How to fix CVE-2018-1000154?
To fix CVE-2018-1000154, 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-2018-1000154 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-1000154 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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.