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CVE-2025-50056MediumCVSS 5.1CVE published 18 July 2025

RSMail! (com_rsmail) 1.19.20 to 1.22.26 - Reflected and Stored XSS

RSMail! versions 1.19.20 to 1.22.26 are affected by a reflected XSS (CVE-2025-50056) and a stored XSS (CVE-2025-30084).

Is my site affected?

Affected
RSMail! from 1.19.20 up to and including 1.22.26
Fixed in
A release after 1.22.26
What to do
Update RSMail! to the newest release from the vendor. This flaw covers versions up to 1.22.26, so any later release is outside it.
Check whether your sites are affected

How CVE-2025-50056 is scored

The base metrics as Joomla CNA published them, and what each one means for a site running an affected version. Threat and environmental metrics are left out: they describe a moment or a particular install rather than the flaw.

5.1 Medium

CVSS 4.0, scored by Joomla CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

How it is reached

AV:N Attack vector
Network. Reachable across the internet
AC:L Attack complexity
Low. Nothing to work around, it just works
AT:N Attack requirements
None. Works against any affected install
PR:N Privileges required
None. No account needed
UI:A User interaction
Active. Someone has to be talked through a few steps

What it does to the site

VC:L Confidentiality
Low. Some data can be read
VI:L Integrity
Low. Some data can be altered
VA:N Availability
None. The site stays up

What it does beyond the site

SC:N Confidentiality
None. Other systems keep their data
SI:N Integrity
None. Other systems keep their integrity
SA:N Availability
None. Other systems stay up

Timeline

  1. 18 July 2025CVE-2025-50056 record published by its CNA

Rule details

Other vulnerabilities in RSMail!

Updating for CVE-2025-50056 alone can leave a site on a release another rule still matches. These are the other flaws we check for in the same extension.

RSMail!

References

CVE-2025-50056 questions

Which versions are affected by CVE-2025-50056?
CVE-2025-50056 affects RSMail! from 1.19.20 up to and including 1.22.26.
How do I fix CVE-2025-50056?
Update RSMail! to the newest release from the vendor. This flaw covers versions up to 1.22.26, so any later release is outside it.
How severe is CVE-2025-50056?
Joomla CNA scores it 5.1 (Medium) under CVSS 4.0. In plain terms: reachable across the internet, no account needed and someone has to be talked through a few steps.

Running an affected version on a site you manage?

A free audit tells you which of your Joomla and WordPress sites run an affected version, which are out of date, and which have not been backed up. No card required. If a site is already compromised, fix.mysites.guru is a single fixed fee per incident, usually resolved the same day.

This check is part of the mySites.guru Joomla vulnerability scanner, which reads every installed extension's version on each audit. Browse the rest of the Joomla vulnerability database.

Rules current as of 25 October 2026.