CVE-2025-50126: rsjoomla.com RSBlog! component for Joomla · Cross-site Scripting
Affects rsjoomla.com RSBlog! component for JoomlaSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 18 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| rsjoomla.com RSBlog! component for Joomla | Affected
| Fixed in– |
AI-suggested
European organizations should immediately audit their Joomla installations to identify the presence of the RSBlog! component and verify its version. Until an official patch is released, administrators should restrict access to the RSBlog! component to trusted users only and enforce strong authentication mechanisms, including multi-factor authentication, to reduce the risk of account compromise. Input validation and output encoding should be implemented or enhanced on the 'jform[tags_text]' parameter to neutralize potentially malicious input. Web Application Firewalls (WAFs) can be configured with custom rules to detect and block typical XSS payloads targeting this parameter. Regular monitoring of logs for unusual activity related to RSBlog! and user inputs is recommended. Organizations should also prepare to apply vendor patches promptly once available and consider isolating or disabling the vulnerable component if it is not essential to operations.
Description
A stored XSS vulnerability in the RSBlog! component 1.11.6-1.14.5 Joomla was discovered. The issue allows remote authenticated users to inject arbitrary web script or HTML via the jform[tags_text] parameter.