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Vulnerabilities

Vulnerability · CVE-2025-48308

Cross-Site Request Forgery (CSRF) vulnerability in nonletter Newsletter subscription optin module newsletter-subscription-widget-for-sendblaster allows Stored XSS.This issue affect

Published Aug 28, 2025 · catalog updated Oct 18, 2026 · Newsletter subscription optin module

Last checked Oct 23, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-48308. EPSS is 0.12%. Act only if a listed version of Newsletter subscription optin module is installed.

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
0.12%
Remediation
Version ranges on file
Affected products
stated named in the record · vendor nonletter Newsletter subscription optin module 0 ≤1.2.9

Cross-Site Request Forgery (CSRF) vulnerability in nonletter Newsletter subscription optin module newsletter-subscription-widget-for-sendblaster allows Stored XSS.This issue affects Newsletter subscription optin module: from n/a through <= 1.2.9.

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<= 1.2.9
  • vendor nonletter Newsletter subscription optin module 0 ≤1.2.90 ≤1.2.9

How to fix CVE-2025-48308

What to do

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

Should you patch?

No confirmed exploitation is on record for CVE-2025-48308. EPSS is 0.12%. Act only if a listed version of Newsletter subscription optin module is installed.

Which versions are affected?

Compare what you have installed with named in the record <= 1.2.9; nonletter Newsletter subscription optin module 0 ≤1.2.9 0 ≤1.2.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-352: Cross-Site Request Forgery (CSRF). EPSS 0.12%. 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. Aug 28, 2025 · NIST NVD

    Detected

    Cross-Site Request Forgery (CSRF) vulnerability in nonletter Newsletter subscription optin module newsletter-subscription-widget-for-sendblaster allows Stored XSS.This issue affects Newsletter subscription optin module: from n/a through <= 1.2.9.

  2. Oct 18, 2026 · NIST NVD

    Updated

    Cross-Site Request Forgery (CSRF) vulnerability in nonletter Newsletter subscription optin module newsletter-subscription-widget-for-sendblaster allows Stored XSS.This issue affects Newsletter subscription optin module: from n/a through <= 1.2.9.

Sources

  • CVE.orgVulnerability recordCVE-2025-48308

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-48308

    30-day exploitation probability 0.12%

    first.org
  • EUVDVulnerability recordEUVD-2025-26050

    Cross-Site Request Forgery (CSRF) vulnerability in nonletter Newsletter subscription optin module newsletter-subscription-widget-for-sendblaster allows Stored XSS.This issue affects Newsletter subscription optin module: from n/a through <= 1.2.9.

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2025-48308

    Cross-Site Request Forgery (CSRF) vulnerability in nonletter Newsletter subscription optin module newsletter-subscription-widget-for-sendblaster allows Stored XSS.This issue affects Newsletter subscription optin module: from n/a through <= 1.2.9.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 21, 2026
  • NIST NVDOct 18, 2026