CVE-2023-26081Public exploitNetwork attack vector

Password disclosure via sandboxed-content autofill

Published Feb 20, 2023 · Updated Mar 18, 2025

Information disclosure in GNOME Web 43.0 and earlier allows remote attackers to steal saved passwords through sandboxed web content. Its password manager autofills login fields without rejecting sandboxed documents whose origin is null, exposing credentials to the page. A victim must have saved credentials for the matching site and load the crafted content; the demonstrated result is password disclosure.

CVSS severity7.5
High
EPSS probability1.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in GNOME Web 43.0 and earlier allows remote attackers to steal saved passwords through sandboxed web content. Its password manager autofills login fields without rejecting sandboxed documents whose origin is null, exposing credentials to the page. A victim must have saved credentials for the matching site and load the crafted content; the demonstrated result is password disclosure.

The record

CVE
CVE-2023-26081
Published
Feb 20, 2023
Updated
Mar 18, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-668, T1555.003
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-668Exposure of Resource to Wrong Sphere
T1555.003Credentials from Web Browsers

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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