CVE-2026-44742

Published: Mag 07, 2026 Last Modified: Mag 07, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,2
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: changed
Confidentiality: low
Integrity: low
Availability: none

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0001
Percentile
0,0th
Updated

Single Data Point

Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.

79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Confidentiality Integrity Availability
Potential Impacts:
Bypass Protection Mechanism Read Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML, Web Based, Web Server
Likelihood of Exploit: High
View CWE Details
https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6…
https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d…
https://gitlab.com/mailman/postorius/-/issues/620
https://gitlab.com/mailman/postorius/-/issues/620
https://gitlab.com/mailman/postorius/-/merge_requests/972
https://gitlab.com/mailman/postorius/-/merge_requests/972
https://www.openwall.com/lists/oss-security/2026/05/07/3
https://www.openwall.com/lists/oss-security/2026/05/07/3