CVE-2023-4119Public exploitNetwork attack vector

Reflected XSS via unencoded course filters

Published Aug 3, 2023 · Updated Oct 11, 2024

Reflected XSS in Academy LMS 6.0 allows remote attackers to execute script in a user’s browser through a crafted courses-page URL. The /academy/home/courses response reflects the query and sort_by GET parameters without adequate output encoding, allowing an image error-handler payload to execute. Exploitation requires a user to follow the crafted link and allows script execution in the Academy LMS origin, including content manipulation or session-token theft.

CVSS severity6.1
Medium
EPSS probability3.77%
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 Academy LMS 6.0 allows remote attackers to execute script in a user’s browser through a crafted courses-page URL. The /academy/home/courses response reflects the query and sort_by GET parameters without adequate output encoding, allowing an image error-handler payload to execute. Exploitation requires a user to follow the crafted link and allows script execution in the Academy LMS origin, including content manipulation or session-token theft.

The record

CVE
CVE-2023-4119
Published
Aug 3, 2023
Updated
Oct 11, 2024
Vendor
Creativeitem
Product
Academy LMS
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 3, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 11, 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=6.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Creativeitem · Academy LMSversion=6.0

Published CVSS scores

6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.0VulDB CNAAV:N/AC:L/Au:N/C:N/I:P/A:N
4.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:N/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 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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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