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CVE-2025-54175VulnerabilityPublished

CVE-2025-54175: OpenSolution Quick.CMS.EXT · XSS or 'Cross-site Scripting'

Affects OpenSolution Quick.CMS.EXTSource CVE Database V5

0

Not known to be exploited · CVSS 4.6 Medium.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score
4.6Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Aug 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 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
OpenSolution Quick.CMS.EXTAffected
  • =6.8
Fixed in–

AI-suggested

Organizations should immediately audit their use of Quick.CMS.EXT, specifically version 6.8, and consider the following mitigations: 1) Implement Web Application Firewall (WAF) rules to detect and block suspicious requests containing malicious scripts in the 'sFileName' parameter. 2) Employ Content Security Policy (CSP) headers to restrict the execution of inline scripts and limit the sources of executable scripts. 3) Educate users and administrators about the risks of clicking on untrusted links and implement email filtering to reduce phishing attempts. 4) If feasible, isolate or disable the thumbnail viewer functionality until a patch is available. 5) Monitor web server logs for unusual requests targeting the vulnerable parameter. 6) Engage with the vendor for updates or consider migrating to alternative CMS platforms with better security track records. 7) Apply rigorous input validation and output encoding in any custom integrations or extensions interacting with Quick.CMS.EXT. These steps go beyond generic advice by focusing on immediate compensating controls and user awareness to reduce exploitation likelihood.

Description

QuickCMS.EXT is vulnerable to Reflected XSS in sFileName parameter in thumbnail viewer functionality.  An attacker can craft a malicious URL that results in arbitrary JavaScript execution in the victim's browser when opened. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 6.8 was tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

References

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