CVE-2023-52274Public exploitNetwork attack vector

JavaScript execution via unsanitized Referer return link

Published Jan 11, 2024 · Updated Jun 17, 2025

Cross-site scripting in YzmCMS 6.5 through 7.0 allows remote attackers to execute JavaScript via a crafted Referer header. When registration is disabled, the debug-mode message page places the unvalidated Referer value into its return link, allowing a javascript URI to execute when clicked. Exploitation requires APP_DEBUG=true, disabled member registration, and victim interaction with the crafted return link; execution is limited to the victim's browser context.

CVSS severity6.1
Medium
EPSS probability0.36%
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 YzmCMS 6.5 through 7.0 allows remote attackers to execute JavaScript via a crafted Referer header. When registration is disabled, the debug-mode message page places the unvalidated Referer value into its return link, allowing a javascript URI to execute when clicked. Exploitation requires APP_DEBUG=true, disabled member registration, and victim interaction with the crafted return link; execution is limited to the victim's browser context.

The record

CVE
CVE-2023-52274
Published
Jan 11, 2024
Updated
Jun 17, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 11, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.

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')
T1059.007JavaScript/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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