CVE-2026-109960: XSS (CVSS 7.7)

Description

Froxlor 2.0.0 before 2.3.14 contains a stored cross-site scripting vulnerability that allows authenticated customers to inject HTML and JavaScript by setting a malicious theme value via customer_index.php. Script executes when an administrator views the customer overview with the Theme column enabled, letting attackers abuse the CSRF token to create administrator accounts or change server settings.

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CVSS v3.1 Score

7.7

HIGH

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

EPSS — Exploit Prediction

0.0029

Probability of exploitation

0.20%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://github.com/froxlor/froxlor/security/advisories/GHSA-3jpp-mhvh-rv66 https://www.vulncheck.com/advisories/froxlor-2.0.0-before-2.3.14-stored-xss-via-customer-theme-value https://github.com/froxlor/froxlor/security/advisories/GHSA-3jpp-mhvh-rv66

Frequently Asked Questions

What is CVE-2026-109960? +

Froxlor 2.0.0 before 2.3.14 contains a stored cross-site scripting vulnerability that allows authenticated customers to inject HTML and JavaScript by setting a malicious theme value via customer_index.php. Script executes when an administrator views the customer overview with the Theme column enabled, letting attackers abuse the CSRF token to create administrator accounts or change server settings. It has a CVSS v3.1 base score of 7.7 (HIGH).

How severe is CVE-2026-109960? +

CVE-2026-109960 has a CVSS v3.1 score of 7.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0029, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-109960? +

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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CVE-2026-109960