CVE-2024-27680Public exploitNetwork attack vector

Browser script execution via contact form markup

Published Mar 4, 2024 · Updated Aug 28, 2024

Cross-site scripting in the Flusity CMS 2.33 contact form allows remote attackers to execute script in a user's browser. The form accepts an img element carrying an onerror handler and renders it as active markup instead of neutralizing it. A user must view the affected output, after which the injected script runs in that site's browser context.

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

Cross-site scripting in the Flusity CMS 2.33 contact form allows remote attackers to execute script in a user's browser. The form accepts an img element carrying an onerror handler and renders it as active markup instead of neutralizing it. A user must view the affected output, after which the injected script runs in that site's browser context.

The record

CVE
CVE-2024-27680
Published
Mar 4, 2024
Updated
Aug 28, 2024
Vendor
Flusity
Product
Flusity CMS
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 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=2.3.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Flusity · Flusity CMSversion=2.3.3

Published CVSS scores

6.1CISA-ADPCVSS: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.

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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 exploitPublished

Weakness, pattern, technique

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

Public exploit references

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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