CVE-2024-7077Network attack vector

Reflected XSS via undisclosed input reflection

Published Sep 4, 2024 · Updated Jun 3, 2026

Reflected XSS in Semtek Sempos through 31072024 allows remote attackers to execute script in a victim's browser via a crafted request. The published advisory does not identify the affected endpoint or input field, stating only that input is improperly neutralized during web page generation and reflected in a response. Exploitation requires victim interaction; injected script runs in the victim's browser context and can read or modify data available to that session.

CVSS severity5.3
Medium
EPSS probability0.26%
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 Semtek Sempos through 31072024 allows remote attackers to execute script in a victim's browser via a crafted request. The published advisory does not identify the affected endpoint or input field, stating only that input is improperly neutralized during web page generation and reflected in a response. Exploitation requires victim interaction; injected script runs in the victim's browser context and can read or modify data available to that session.

The record

CVE
CVE-2024-7077
Published
Sep 4, 2024
Updated
Jun 3, 2026
Vendor
Semtek Informatics Software Consulting Inc.
Product
Semtek Sempos
Classifications
CWE-79, CAPEC-591, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 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 <=31072024

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Semtek Informatics Software Consulting Inc. · Semtek Semposversion=0 <=31072024

Published CVSS scores

6.1NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.3Computer Emergency Response Team of the Republic of TurkeyCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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-591Reflected XSS
T1203Exploitation for Client Execution

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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