CVE-2025-41044: appRain CMF · XSS or 'Cross-site Scripting'
Affects appRain CMFSource CVE Database V5
Not known to be exploited · CVSS 5.1 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 4 Sep 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 |
|---|---|---|
| appRain appRain CMF | Affected
| Fixed in– |
AI-suggested
- Immediate upgrade or patching: Organizations should monitor appRain vendor communications for patches addressing CVE-2025-41044 and apply them promptly once available.
- Input validation and sanitization: Until a patch is available, implement web application firewall (WAF) rules to detect and block malicious payloads targeting the 'data[Page][name]' parameter.
- Restrict authenticated user privileges: Limit the ability to create or manage static pages to trusted administrators only, reducing the attack surface.
- Implement Content Security Policy (CSP): Deploy strict CSP headers to mitigate the impact of XSS by restricting script execution sources.
- Conduct regular security audits and penetration testing focusing on input validation in appRain CMF deployments.
- Educate users about phishing and suspicious links to reduce the risk of user interaction with malicious content.
- Monitor logs for unusual activity related to page creation or modification endpoints to detect potential exploitation attempts early.
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[Page][name]' parameter in /apprain/page/manage-static-pages/create.