Vulnerabilities

Vulnerability · CVE-2025-53223

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in undoIT Theme Switcher Reloaded theme-switcher-reloaded allows Reflected XSS.Th

Published Aug 28, 2025 · catalog updated Oct 18, 2026 · undoIT Theme Switcher Reloaded

Check this week

CVE-2025-53223 is not in CISA KEV. FIRST estimates a 23.00% chance of exploitation in the next 30 days. Check whether you run undoIT Theme Switcher Reloaded.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
23.00%
Remediation
Version ranges on file
Affected products
stated named in the record · vendor undoIT Theme Switcher Reloaded 0 ≤1.1

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in undoIT Theme Switcher Reloaded theme-switcher-reloaded allows Reflected XSS.This issue affects Theme Switcher Reloaded: from n/a through <= 1.1.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated named in the record<= 1.1
  • vendor undoIT Theme Switcher Reloaded 0 ≤1.10 ≤1.1

How to fix CVE-2025-53223

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-53223 is not in CISA KEV. FIRST estimates a 23.00% chance of exploitation in the next 30 days. Check whether you run undoIT Theme Switcher Reloaded.

Which versions are affected?

Compare what you have installed with named in the record <= 1.1; undoIT Theme Switcher Reloaded 0 ≤1.1 0 ≤1.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 23.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 28, 2025 · NIST NVD

    Detected

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in undoIT Theme Switcher Reloaded theme-switcher-reloaded allows Reflected XSS.This issue affects Theme Switcher Reloaded: from n/a through <= 1.1.

  2. Oct 18, 2026 · NIST NVD

    Updated

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in undoIT Theme Switcher Reloaded theme-switcher-reloaded allows Reflected XSS.This issue affects Theme Switcher Reloaded: from n/a through <= 1.1.

Sources

  • CVE.orgVulnerability recordCVE-2025-53223

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-26002

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in undoIT Theme Switcher Reloaded theme-switcher-reloaded allows Reflected XSS.This issue affects Theme Switcher Reloaded: from n/a through <= 1.1.

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2025-53223

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in undoIT Theme Switcher Reloaded theme-switcher-reloaded allows Reflected XSS.This issue affects Theme Switcher Reloaded: from n/a through <= 1.1.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.