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Vulnerabilities

Security incident · CVE-2025-55175

QuickCMS is vulnerable to Reflected XSS via sLangEdit parameter in admin's panel functionality.

Published Aug 28, 2025 · catalog updated Oct 18, 2026 · QuickCMS is vulnerable to

Open the advisory

Exploitation likelihood is not on this record for CVE-2025-55175. A missing EPSS score is not a low risk. Compare QuickCMS is vulnerable to with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (QuickCMS is vulnerable to).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Advisory link
Affected products
cpe opensolution/quick.cms

QuickCMS is vulnerable to Reflected XSS via sLangEdit parameter in admin's panel functionality. A malicious attacker can craft a specially crafted URL that, when opened, results in arbitrary JavaScript execution in the victim's browser. 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe opensolution/quick.cms6.8

How to fix CVE-2025-55175

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for CVE-2025-55175. A missing EPSS score is not a low risk. Compare QuickCMS is vulnerable to with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 6.8. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 28, 2025 · NIST NVD

    Detected

    QuickCMS is vulnerable to Reflected XSS via sLangEdit parameter in admin's panel functionality. A malicious attacker can craft a specially crafted URL that, when opened, results in arbitrary JavaScript execution in the victim's browser. 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 test

  2. Oct 18, 2026 · NIST NVD

    Updated

    QuickCMS is vulnerable to Reflected XSS via sLangEdit parameter in admin's panel functionality. A malicious attacker can craft a specially crafted URL that, when opened, results in arbitrary JavaScript execution in the victim's browser. 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 test

Sources

  • CVE.orgVulnerability recordCVE-2025-55175

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2025-55175

    QuickCMS is vulnerable to Reflected XSS via sLangEdit parameter in admin's panel functionality. A malicious attacker can craft a specially crafted URL that, when opened, results in arbitrary JavaScript execution in the victim's browser. The vendor was notified early about this v

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.