CVE-2025-63417

HIGHCVSS 7.2/10EPSS 0.21%

Last modified

CVE-2025-63417 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the SelfBest platform 2023.3 allows authenticated attackers to inject arbitrary web scripts or HTML via the chat message input field. This malicious content is stored and then executed in the context of other users' browsers when they view the malicious message, potentially leading to session hijacking, account takeover, or other client-side attacks.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the SelfBest platform 2023.3 allows authenticated attackers to inject arbitrary web scripts or HTML via the chat message input field. This malicious content is stored and then executed in the context of other users' browsers when they view the malicious message, potentially leading to session hijacking, account takeover, or other client-side attacks.

Metrics

CVSS 3.1
7.2/10

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

EPSS Probability
0.21%

10.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SelfbestSelfbest2023.3

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-63417?
A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the SelfBest platform 2023.3 allows authenticated attackers to inject arbitrary web scripts or HTML via the chat message input field. This malicious content is stored and then executed in the context of other users' browsers when they view the malicious message, potentially leading to session hijacking, account takeover, or other client-side attacks.
How severe is CVE-2025-63417?
CVE-2025-63417 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2025-63417?
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-2025-63417?

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

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Source: NVD / NIST