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Fencer Intel
medium 6.1

CVE-2025-30084 json

Extension - rsjoomla.com - Reflected XSS vulnerability RSMail! component 1.19.20-1.22.26 for Joomla

published last yr. modified 4mo ago also EUVD-2025-16992

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits
0
none known

Summary

A stored XSS vulnerability in RSMail! component 1.19.20 - 1.22.26 for Joomla was discovered. The issue occurs within the dashboard component, where user-supplied input is not properly sanitized before being stored and rendered. An attacker can inject malicious JavaScript code into text fields or other input points, which is subsequently executed in the browser of any user who clicks on the crafted text in the dashboard.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • rsjoomla.com RSMail! component for Joomla

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.