CVE-2026-92826Network attack vector

Reflected XSS via unescaped request parameter key

Published Oct 3, 2026 · Updated Oct 3, 2026

Reflected cross-site scripting in Exactly WWW EWWW Image Optimizer 8.7.7 and earlier allows remote attackers to run script in a visitor's browser. The HelpScout Beacon script block places an attacker-controlled REQUEST_URI parameter key into page output without adequate escaping. The enable_help option must be active, and a visitor must follow a crafted link; the script executes in that visitor's browser context.

CVSS severity6.1
Medium
EPSS probability0.22%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected cross-site scripting in Exactly WWW EWWW Image Optimizer 8.7.7 and earlier allows remote attackers to run script in a visitor's browser. The HelpScout Beacon script block places an attacker-controlled REQUEST_URI parameter key into page output without adequate escaping. The enable_help option must be active, and a visitor must follow a crafted link; the script executes in that visitor's browser context.

The record

CVE
CVE-2026-92826
Published
Oct 3, 2026
Updated
Oct 3, 2026
Vendor
Exactly WWW
Product
EWWW Image Optimizer
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 3, 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=0 <=8.7.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Exactly WWW · EWWW Image Optimizerversion=0 <=8.7.7

Published CVSS scores

6.1WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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.

Activity data is delayed. The latest report is Sep 28, 2026.

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

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 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')
T1204.001User Execution: Malicious Link

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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