Vulnerabilities

Vulnerability · CVE-2025-39549

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in whiletrue Most And Least Read Posts Widget most-and-least-read-posts-widget al

Published Apr 16, 2025 · catalog updated May 12, 2026 · WhileTrue Most And Least Read Posts Widget

Check if you run it

No confirmed exploitation is on record for CVE-2025-39549. EPSS is 0.36%. Act only if a listed version of WhileTrue Most And Least Read Posts Widget is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.36%
Remediation
Advisory link
Affected products
vendor WhileTrue Most And Least Read Posts Widget 0 ≤2.5.20

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in whiletrue Most And Least Read Posts Widget most-and-least-read-posts-widget allows Stored XSS.This issue affects Most And Least Read Posts Widget: from n/a through <= 2.5.20.

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 WhileTrue Most And Least Read Posts Widget 0 ≤2.5.200 ≤2.5.20

How to fix CVE-2025-39549

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-2025-39549. EPSS is 0.36%. Act only if a listed version of WhileTrue Most And Least Read Posts Widget is installed.

Which versions are affected?

Compare what you have installed with WhileTrue Most And Least Read Posts Widget 0 ≤2.5.20 0 ≤2.5.20. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.36%. 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 16, 2025 · EUVD

    Detected

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in whiletrue Most And Least Read Posts Widget most-and-least-read-posts-widget allows Stored XSS.This issue affects Most And Least Read Posts Widget: from n/a through <= 2.5.20.

  2. May 12, 2026 · EUVD

    Updated

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in whiletrue Most And Least Read Posts Widget most-and-least-read-posts-widget allows Stored XSS.This issue affects Most And Least Read Posts Widget: from n/a through <= 2.5.20.

Sources

  • CVE.orgVulnerability recordCVE-2025-39549

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-39549

    30-day exploitation probability 0.4%

    first.org
  • EUVDVulnerability recordEUVD-2025-11317

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in whiletrue Most And Least Read Posts Widget most-and-least-read-posts-widget allows Stored XSS.This issue affects Most And Least Read Posts Widget: from n/a through <= 2.5.20.

    euvd.enisa.europa.eu

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.