CVE-2025-27921 is a reflected cross-site scripting (XSS) vulnerability affecting Output Messenger versions prior to 2.0.63, where unsanitized user input is reflected in the web application's response. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. While no public exploit code exists on platforms like Metasploit or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, including reports of potential exploitation by state-aligned actors.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.0.63CPE matchmatch criteria | cpe:2.3:a:srimax:output_messenger:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.