CVE-2023-40659Network attack vector

User-context script execution through reflected input

Published Dec 14, 2023 · Updated Aug 4, 2024

Reflected XSS in JoomBoost Easy Quick Contact 1.0.0 through 1.3.0 allows remote attackers to execute script via crafted requests. The Joomla Project has not published the affected parameter, rendering locus, or missing output-encoding operation. Exploitation requires a user to load a crafted request, after which reflected script runs in that user's browser context and can read or alter data available to the page.

CVSS severity6.1
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in JoomBoost Easy Quick Contact 1.0.0 through 1.3.0 allows remote attackers to execute script via crafted requests. The Joomla Project has not published the affected parameter, rendering locus, or missing output-encoding operation. Exploitation requires a user to load a crafted request, after which reflected script runs in that user's browser context and can read or alter data available to the page.

The record

CVE
CVE-2023-40659
Published
Dec 14, 2023
Updated
Aug 4, 2024
Vendor
JoomBoost
Product
Easy Quick Contact
Classifications
CWE-79, T1204.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record 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=1.0.0-1.3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

JoomBoost · Easy Quick Contactversion=1.0.0-1.3.0

Published CVSS scores

6.1NIST NVDCVSS: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.

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')
T1204.002User Execution: Malicious File

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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