{"apiVersion":"1.0","identifier":"CVE-2026-75872","description":"HTML Injection in the public subscription form in maalfer MailerUp before 1.1.3 allows unauthenticated remote attackers to have the application send a message carrying arbitrary HTML, to an attacker-chosen address and from the form owner-s configured sending identity, via the first_name field of the subscription request, which is interpolated unescaped into the double opt-in verification email.","publishedAt":"2026-08-18T15:17:15","lastModifiedAt":"2026-08-18T16:18:21","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75872","cvssScore":6.9,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","epssProbability":0.00709,"riskScore":0.73,"affectedProduct":"maalfer MailerUp","affectedVersions":"<1.1.3","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-75872","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-75872","en":"https://www.redsauce.net/en/cves/CVE-2026-75872","fr":"https://www.redsauce.net/fr/cves/CVE-2026-75872","pt":"https://www.redsauce.net/pt/cves/CVE-2026-75872","de":"https://www.redsauce.net/de/cves/CVE-2026-75872","sk":"https://www.redsauce.net/sk/cves/CVE-2026-75872","el":"https://www.redsauce.net/el/cves/CVE-2026-75872"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-75872"}}