ZeroHour

Vulnerabilities

2 CVEs · NVD, GitHub Advisories, CISA KEV, FIRST EPSS, GitHub PoC repos

CVEVulnerabilityCVSSEPSSFlagsAffectedExposurePublished
CVE-2026-44742
Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.

NVD description · AI analysis pending
6.1<1%
  • postorius project postorius
CVE-2021-40347
An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5.

An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker (logged into any account) can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place.

NVD description · AI analysis pending
5.41% PoC ×2
  • postorius project postorius