CVE-2025-55996
Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message...
Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface
- Record
CVE-2025-55996- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-29050
Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface
- Record
EUVD-2025-29050- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mr84-m23m-f429
Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message...
Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface
- Record
GHSA-mr84-m23m-f429- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Viber Desktop 25.6.0 is vulnerable to HTML Injection via the text parameter of the message compose/forward interface
- Record
CVE-2025-55996- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-07
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | thawkhant/viber-desktop-html-injection | 2025-09-12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | NVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-55996 is a medium vulnerability (CVSS 6.3) in Rakuten Viber, published September 12, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.