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Description

A vulnerability was identified in higuma web-audio-recorder-js 0.1/0.1.1. Impacted is the function extend in the library lib/WebAudioRecorder.js of the component Dynamic Config Handling. Such manipulation leads to improperly controlled modification of object prototype attributes. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is considered difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2026-02-22 | Published 2026-02-23 | Updated 2026-02-23 | Assigner VulDB




LOW: 2.3CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.0CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.0CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
4.6AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Improperly Controlled Modification of Object Prototype Attributes

Code Injection

Product status

0.1
affected

0.1.1
affected

Timeline

2026-02-22:Advisory disclosed
2026-02-22:VulDB entry created
2026-02-22:VulDB entry last update

Credits

Matan Sandori (2Bsecure) finder

Joshua Sheridan (2Bsecure) finder

MatanS (VulDB User) reporter

MatanS (VulDB User) analyst

References

vuldb.com/?submit.755221 exploit

vuldb.com/?id.347331 (VDB-347331 | higuma web-audio-recorder-js Dynamic Config Handling WebAudioRecorder.js extend prototype pollution) vdb-entry technical-description

vuldb.com/?ctiid.347331 (VDB-347331 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.755221 (Submit #755221 | higuma web-audio-recorder-js Latest (0.1.1) Prototype Pollution) third-party-advisory

cve.org (CVE-2026-2964)

nvd.nist.gov (CVE-2026-2964)

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