CVE-2026-84848Network attack vector

Unauthenticated browser script execution

Published Sep 3, 2026 · Updated Sep 4, 2026

Cross-site scripting in Fullworks Digital Ltd. Quick Event Manager 9.17 and earlier allows remote attackers to run script in a visitor’s browser. The CNA classifies the issue as stored XSS, but Patchstack has not published the affected input, request handler, storage field, or output sink, leaving the exact neutralization failure undisclosed. No authentication is required to supply the payload, but user interaction is required for execution and the impact is confined to the site’s web origin.

CVSS severity7.1
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Fullworks Digital Ltd. Quick Event Manager 9.17 and earlier allows remote attackers to run script in a visitor’s browser. The CNA classifies the issue as stored XSS, but Patchstack has not published the affected input, request handler, storage field, or output sink, leaving the exact neutralization failure undisclosed. No authentication is required to supply the payload, but user interaction is required for execution and the impact is confined to the site’s web origin.

The record

CVE
CVE-2026-84848
Published
Sep 3, 2026
Updated
Sep 4, 2026
Vendor
Fullworks Digital Ltd.
Product
Quick Event Manager
Classifications
CWE-79, CAPEC-592, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=9.17

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Fullworks Digital Ltd. · Quick Event Managerversion=n/a <=9.17

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1189Drive-by Compromise

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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