CVE-2018-1000154
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.
Does this matter?
Lower severity and a low EPSS score (1.54%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.54% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- zammad/zammad
- Source
- cve@mitre.org
EPSS 1.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/zammad/zammad/issues/1869Third Party Advisory
- https://zammad.com/news/release-2-4Vendor Advisory
- https://zammad.com/news/security-advisory-zaa-2018-01Vendor Advisory
- https://github.com/zammad/zammad/issues/1869Third Party Advisory
- https://zammad.com/news/release-2-4Vendor Advisory
- https://zammad.com/news/security-advisory-zaa-2018-01Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.