CVE-2025-55996

MEDIUM

Published Sep 12, 2025 Modified Oct 16, 2025 CWE-79

Description

Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface

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CVSS v3.1 Score

6.3

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
rakuten	viber	< 25.6.0

References

Other References

https://github.com/thawkhant/viber-desktop-html-injection

Frequently Asked Questions

What is CVE-2025-55996? +

Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-55996? +

CVE-2025-55996 has a CVSS v3.1 score of 6.3 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-2025-55996? +

CVE-2025-55996 affects products from rakuten, specifically: viber. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-55996? +

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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