axton WP-WebAuthn Plugin up to 1.3.4 on WordPress AJAX Endpoint wwa_auth cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in axton WP-WebAuthn Plugin up to 1.3.4 on WordPress. The impacted element is the function wwa_auth of the component AJAX Endpoint. This manipulation causes cross site scripting. This vulnerability appears as CVE-2025-13910. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in axton WP-WebAuthn Plugin up to 1.3.4 on WordPress and classified as problematic. Affected by this vulnerability is the function wwa_auth of the component AJAX Endpoint. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

The WP-WebAuthn plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting via the `wwa_auth` AJAX endpoint in all versions up to, and including, 1.3.4 due to insufficient input sanitization and output escaping on user supplied attributes logged by the plugin. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses the plugin's log page, provided that the logging option is enabled in the plugin settings.

The weakness was presented by wesley. It is possible to read the advisory at wordfence.com. This vulnerability is known as CVE-2025-13910 since 12/02/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 1.3.4 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

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

CNA Base Score: 6.1
CNA Vector (Wordfence): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: WP-WebAuthn Plugin 1.3.4

Timelineinfo

12/02/2025 CVE reserved
03/21/2026 +109 days Advisory disclosed
03/21/2026 +0 days VulDB entry created
03/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wordfence.com
Researcher: wesley
Status: Confirmed

CVE: CVE-2025-13910 (🔒)
GCVE (CVE): GCVE-0-2025-13910
GCVE (VulDB): GCVE-100-352183

Entryinfo

Created: 03/21/2026 07:21
Changes: 03/21/2026 07:21 (68)
Complete: 🔍
Cache ID: 216::103

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