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Vulnerabilities

Vulnerability · CVE-2025-27354

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in phil88530 Simple Email Subscriber simple-email-subscriber allows Reflected XSS

Published Apr 17, 2025 · catalog updated Apr 28, 2026 · Simple Email Subscriber

Check this week

CVE-2025-27354 is not in CISA KEV. FIRST estimates a 29.00% chance of exploitation in the next 30 days. Check whether you run Simple Email Subscriber.

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
29.00%
Remediation
Advisory link
Affected products
vendor phil88530 Simple Email Subscriber 0 ≤2.3

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in phil88530 Simple Email Subscriber simple-email-subscriber allows Reflected XSS.This issue affects Simple Email Subscriber: from n/a through <= 2.3.

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.

  • vendor phil88530 Simple Email Subscriber 0 ≤2.30 ≤2.3

How to fix CVE-2025-27354

What to do

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

Should you patch?

CVE-2025-27354 is not in CISA KEV. FIRST estimates a 29.00% chance of exploitation in the next 30 days. Check whether you run Simple Email Subscriber.

Which versions are affected?

Compare what you have installed with phil88530 Simple Email Subscriber 0 ≤2.3 0 ≤2.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 29.00%. 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.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 17, 2025 · EUVD

    Detected

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in phil88530 Simple Email Subscriber simple-email-subscriber allows Reflected XSS.This issue affects Simple Email Subscriber: from n/a through <= 2.3.

  2. Apr 28, 2026 · EUVD

    Updated

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in phil88530 Simple Email Subscriber simple-email-subscriber allows Reflected XSS.This issue affects Simple Email Subscriber: from n/a through <= 2.3.

Sources

  • CVE.orgVulnerability recordCVE-2025-27354

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-11644

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in phil88530 Simple Email Subscriber simple-email-subscriber allows Reflected XSS.This issue affects Simple Email Subscriber: from n/a through <= 2.3.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.