CVE-2025-40633

MEDIUMCVSS 5.1/10EPSS 0.30%

Last modified

CVE-2025-40633 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. A Stored Cross-Site Scripting (XSS) vulnerability has been found in Koibox for versions prior to e8cbce2. This vulnerability allows an authenticated attacker to upload an image containing malicious JavaScript code as profile picture in the '/es/dashboard/clientes/ficha/' endpoint. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

A Stored Cross-Site Scripting (XSS) vulnerability has been found in Koibox for versions prior to e8cbce2. This vulnerability allows an authenticated attacker to upload an image containing malicious JavaScript code as profile picture in the '/es/dashboard/clientes/ficha/' endpoint

Metrics

CVSS 4.0
5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.30%

21.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-40633?
A Stored Cross-Site Scripting (XSS) vulnerability has been found in Koibox for versions prior to e8cbce2. This vulnerability allows an authenticated attacker to upload an image containing malicious JavaScript code as profile picture in the '/es/dashboard/clientes/ficha/' endpoint
How severe is CVE-2025-40633?
CVE-2025-40633 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40633?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-40633?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST