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VulnerabilityPublished

CVE-2025-41044: 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, 17:16 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

  1. Immediate upgrade or patching: Organizations should monitor appRain vendor communications for patches addressing CVE-2025-41044 and apply them promptly once available.
  2. 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.
  3. Restrict authenticated user privileges: Limit the ability to create or manage static pages to trusted administrators only, reducing the attack surface.
  4. Implement Content Security Policy (CSP): Deploy strict CSP headers to mitigate the impact of XSS by restricting script execution sources.
  5. Conduct regular security audits and penetration testing focusing on input validation in appRain CMF deployments.
  6. Educate users about phishing and suspicious links to reduce the risk of user interaction with malicious content.
  7. 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.

References

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