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.
Published:May 7, 2026
Last Modified:May 26, 2026
EPS:May 7, 2026
EPSS Score:0.00011
CVSS Score:7.2
Affected Products
Vendor
Product
Action
Vendor
Postorius Project
Product
Postorius
Postorius Project
Postorius
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
