CVE-2025-10018: quick.cms XSS (CVSS 4.8)

Description

QuickCMS is vulnerable to multiple Stored XSS in language editor functionality (languages). Malicious attacker with admin privileges can inject arbitrary HTML and JS into website, which will be rendered/executed on every 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.

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CVSS v3.1 Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
opensolution	quick.cms	All

References

Other References

https://cert.pl/posts/2025/11/CVE-2025-9982 https://opensolution.org/cms-system-quick-cms.html

Frequently Asked Questions

What is CVE-2025-10018? +

QuickCMS is vulnerable to multiple Stored XSS in language editor functionality (languages). Malicious attacker with admin privileges can inject arbitrary HTML and JS into website, which will be rendered/executed on every 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. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2025-10018? +

CVE-2025-10018 has a CVSS v3.1 score of 4.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-10018? +

CVE-2025-10018 affects products from opensolution, specifically: quick.cms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-10018? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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