CVE-2025-53223Network attack vector

Unauthenticated reflected script execution

Published Aug 28, 2025 · Updated Apr 28, 2026

Reflected XSS in undoIT Theme Switcher Reloaded 1.1 and earlier allows remote attackers to execute scripts via crafted requests. Neither the CNA record nor its sole referenced advisory identifies the input parameter, rendering function, or missing neutralization operation. Exploitation is unauthenticated but requires a user to follow a malicious link or otherwise submit the crafted request, after which the script runs in that visitor's browser.

CVSS severityUnavailable
Unscored
EPSS probability0.23%
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 undoIT Theme Switcher Reloaded 1.1 and earlier allows remote attackers to execute scripts via crafted requests. Neither the CNA record nor its sole referenced advisory identifies the input parameter, rendering function, or missing neutralization operation. Exploitation is unauthenticated but requires a user to follow a malicious link or otherwise submit the crafted request, after which the script runs in that visitor's browser.

The record

CVE
CVE-2025-53223
Published
Aug 28, 2025
Updated
Apr 28, 2026
Vendor
undoIT
Product
Theme Switcher Reloaded
Classifications
CWE-79, CAPEC-591, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 28, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 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 <=1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

undoIT · Theme Switcher Reloadedversion=0 <=1.1

Published CVSS scores

No CVSS assessment is available in this record.

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1204.001Malicious Link

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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