CVE-2026-65439Network attack vector

Unauthenticated browser-script execution

Published Jul 27, 2026 · Updated Jul 27, 2026

Cross-site scripting in Themefic Ultra Addons for Contact Form 7 3.5.45 and earlier allows remote attackers to inject browser scripts. Published records do not identify the affected request parameter, output sink, or missing neutralization operation. Exploitation is unauthenticated but requires a privileged user to act on attacker-controlled content, allowing script execution in that user's browser context.

CVSS severity7.1
High
EPSS probability0.14%
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 Themefic Ultra Addons for Contact Form 7 3.5.45 and earlier allows remote attackers to inject browser scripts. Published records do not identify the affected request parameter, output sink, or missing neutralization operation. Exploitation is unauthenticated but requires a privileged user to act on attacker-controlled content, allowing script execution in that user's browser context.

The record

CVE
CVE-2026-65439
Published
Jul 27, 2026
Updated
Jul 27, 2026
Vendor
Themefic
Product
Ultra Addons for Contact Form 7
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 27, 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 <=3.5.45 changes=[{"at":"3.5.46","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Themefic · Ultra Addons for Contact Form 7version=n/a <=3.5.45 changes=[{"at":"3.5.46","status":"unaffected"}]

Published CVSS scores

7.1GitHub Advisory DatabaseCVSS: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')

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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