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Description

QuickCMS is vulnerable to multiple Stored XSS in page editor functionality (pages-form). Malicious attacker with admin privileges can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting edited page. By default admin user is not able to add JavaScript into the website. 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.

PUBLISHED Reserved 2025-09-04 | Published 2025-10-23 | Updated 2025-10-23 | Assigner CERT-PL




MEDIUM: 4.8CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
unknown

6.8 (semver)
affected

Credits

Bartłomiej "Holl0w" Adamski finder

References

cert.pl/posts/2025/10/CVE-2025-9980 third-party-advisory

opensolution.org/cms-system-quick-cms.html product

cve.org (CVE-2025-9980)

nvd.nist.gov (CVE-2025-9980)

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