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Vulnerabilities

Vulnerability · CVE-2025-49393

Deserialization of Untrusted Data vulnerability in Fetch Designs Sign-up Sheets sign-up-sheets allows Object Injection.This issue affects Sign-up Sheets: from n/a through <= 2.3.2.

Published Nov 6, 2025 · catalog updated Apr 28, 2026 · Fetch Designs Sign-up Sheets

Last checked Oct 24, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-49393. EPSS is 0.56%. Act only if a listed version of Fetch Designs Sign-up Sheets is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.56%
Remediation
Advisory link
Affected products
vendor Fetch Designs Sign-up Sheets 0 ≤2.3.2

Deserialization of Untrusted Data vulnerability in Fetch Designs Sign-up Sheets sign-up-sheets allows Object Injection.This issue affects Sign-up Sheets: from n/a through <= 2.3.2.

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 Fetch Designs Sign-up Sheets 0 ≤2.3.20 ≤2.3.2

How to fix CVE-2025-49393

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-2025-49393. EPSS is 0.56%. Act only if a listed version of Fetch Designs Sign-up Sheets is installed.

Which versions are affected?

Compare what you have installed with Fetch Designs Sign-up Sheets 0 ≤2.3.2 0 ≤2.3.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.56%. 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. Nov 6, 2025 · EUVD

    Detected

    Deserialization of Untrusted Data vulnerability in Fetch Designs Sign-up Sheets sign-up-sheets allows Object Injection.This issue affects Sign-up Sheets: from n/a through <= 2.3.2.

  2. Apr 28, 2026 · EUVD

    Updated

    Deserialization of Untrusted Data vulnerability in Fetch Designs Sign-up Sheets sign-up-sheets allows Object Injection.This issue affects Sign-up Sheets: from n/a through <= 2.3.2.

Sources

  • CVE.orgVulnerability recordCVE-2025-49393

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-49393

    30-day exploitation probability 0.56%

    first.org
  • EUVDVulnerability recordEUVD-2025-38012

    Deserialization of Untrusted Data vulnerability in Fetch Designs Sign-up Sheets sign-up-sheets allows Object Injection.This issue affects Sign-up Sheets: from n/a through <= 2.3.2.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 24, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 24, 2026
  • FIRST EPSSOct 24, 2026
  • EUVDOct 23, 2026