CVE-2026-76759Network attack vectorHinoki check available

Browser script execution

Published Sep 2, 2026 · Updated Sep 2, 2026

Cross-site scripting in Drupal Screenshot affects all versions and allows remote authenticated users to execute script in another user's browser. Drupal and CISA identify the issue as cross-site scripting, but the advisory does not disclose the affected input, rendering path, or missing neutralization operation. Exploitation requires high-privilege access and user interaction, and successful script execution permits browser-context data access and modification without interrupting the service.

CVSS severity7.3
High
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Cross-site scripting in Drupal Screenshot affects all versions and allows remote authenticated users to execute script in another user's browser. Drupal and CISA identify the issue as cross-site scripting, but the advisory does not disclose the affected input, rendering path, or missing neutralization operation. Exploitation requires high-privilege access and user interaction, and successful script execution permits browser-context data access and modification without interrupting the service.

The record

CVE
CVE-2026-76759
Published
Sep 2, 2026
Updated
Sep 2, 2026
Vendor
OAuth.js
Product
Screenshot
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 2, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=*.*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

OAuth.js · Screenshotversion=*.*

Published CVSS scores

7.3CISA ADPCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

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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