CVE-2024-8140Public exploitNetwork attack vector

Stored XSS via unsanitized task name

Published Aug 25, 2024 · Updated Aug 26, 2024

Stored cross-site scripting in SourceCodester Task Progress Tracker 1.0 allows remote authenticated users to run script in another user's browser. update-task.php accepts task_name without sanitization or validation, and the application later renders the saved value as active HTML. An account that can update a task and a second user's viewing of the modified task are required, exposing that viewer's in-application data and actions.

CVSS severity5.4
Medium
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in SourceCodester Task Progress Tracker 1.0 allows remote authenticated users to run script in another user's browser. update-task.php accepts task_name without sanitization or validation, and the application later renders the saved value as active HTML. An account that can update a task and a second user's viewing of the modified task are required, exposing that viewer's in-application data and actions.

The record

CVE
CVE-2024-8140
Published
Aug 25, 2024
Updated
Aug 26, 2024
Vendor
Online Computer and Laptop Store Project
Product
Task Progress Tracker
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 25, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 26, 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

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Online Computer and Laptop Store Project · Task Progress Trackerversion=1.0

Published CVSS scores

5.3VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
4.0VulDBAV:N/AC:L/Au:S/C:N/I:P/A:N
3.5VulDBCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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
Privilegesauthenticated
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

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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