CVE-2025-27754
CWE-79Published: June 5, 2025· Updated: Jun 17, 2026
Official Description
A stored XSS vulnerability in RSBlog! component 1.11.6 - 1.14.4 for Joomla was discovered. The vulnerability allows authenticated users to inject malicious JavaScript into the plugin's resource. The injected payload is stored by the application and later executed when other users view the affected content.
Technical Analysis
CVE-2025-27754 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-27754 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts