Skip to main content
VulnerabilityPublished

CVE-2025-41045: appRain CMF · XSS or 'Cross-site Scripting'

Affects appRain CMFSource CVE Database V5

0

Not known to be exploited · CVSS 5.1 Medium.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 4.0 base score
5.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 7% 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:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
appRain appRain CMFAffected
  • =4.0.5
Fixed in–

AI-suggested

To mitigate this vulnerability, organizations should: 1) Immediately restrict access to the /apprain/admin/config/ethical endpoint to only the most trusted administrators and monitor access logs for unusual activity. 2) Implement strict input validation and output encoding on the 'data[sconfig][ethical_licensekey]' parameter to neutralize any injected scripts. 3) Apply web application firewalls (WAFs) with custom rules to detect and block suspicious payloads targeting this parameter. 4) Conduct internal audits of user privileges to ensure the principle of least privilege is enforced, minimizing the number of users who can exploit this flaw. 5) Monitor for updates or patches from appRain and apply them promptly once available. 6) Educate administrators about the risks of stored XSS and encourage cautious handling of configuration inputs. 7) Consider deploying Content Security Policy (CSP) headers to reduce the impact of potential script injection. These steps go beyond generic advice by focusing on access control, input sanitization specific to the vulnerable parameter, and proactive monitoring tailored to the appRain CMF environment.

Description

A vulnerability has been discovered in appRain CMF version 4.0.5, consisting of a stored authenticated XSS due to a lack of proper validation of user input, through the 'data[sconfig][ethical_licensekey]' parameter in /apprain/admin/config/ethical.

References

Community reviews

Loading reviews…