Facebook WhatsApp Desktop 0.3.3793/0.3.4932 iPhone Paring cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Facebook WhatsApp Desktop. This affects an unknown part of the component iPhone Paring. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2019-18426. The attack may be launched remotely. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Facebook WhatsApp Desktop (Social Network Software). Affected is an unknown function of the component iPhone Paring. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired with WhatsApp for iPhone versions prior to 2.20.10 allows cross-site scripting and local file reading. Exploiting the vulnerability requires the victim to click a link preview from a specially crafted text message.

The weakness was shared 01/21/2020 (Website). The advisory is shared for download at facebook.com. This vulnerability is traded as CVE-2019-18426 since 10/25/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is shared for download at exploit-db.com. It is declared as attacked. This issue was added on 05/23/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 06/13/2022:

Apply updates per vendor instructions.

Upgrading to version 0.3.9309 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48295). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WhatsApp Desktop 0.3.9309

Timelineinfo

10/25/2019 🔍
01/21/2020 +88 days 🔍
01/22/2020 +1 days 🔍
08/04/2025 +2020 days 🔍

Sourcesinfo

Advisory: 157097
Status: Confirmed

CVE: CVE-2019-18426 (🔍)
GCVE (CVE): GCVE-0-2019-18426
GCVE (VulDB): GCVE-100-149184
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/22/2020 11:25
Updated: 08/04/2025 00:25
Changes: 01/22/2020 11:25 (39), 01/22/2020 11:30 (18), 03/25/2024 08:35 (18), 04/26/2024 09:52 (12), 09/09/2024 22:30 (2), 02/07/2025 14:28 (3), 08/04/2025 00:25 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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