CVE-2026-44742

FAUCET Score

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.

First published: May 7, 2026Last modified: May 8, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 0, <= 1.3.13CPE match	cpe:2.3:a:postorius_project:postorius::::::::
		<= 1.3.13CPE matchmatch criteria	cpe:2.3:a:postorius_project:postorius::::::::

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

3.9

Impact Score

2.7

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.24%

Probability of exploitation in next 30 days

EPSS Percentile

14.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0024 is in the 15th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.