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Vulnerabilities

Vulnerability · CVE-2025-8427

The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘auto_play’ parameter in all versions up to, and including, 2.

Published Oct 23, 2025 · catalog updated Apr 8, 2026 · The Beaver Builder Team Beaver Builder Plugin (Starter Version)

Last checked Oct 30, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-8427. EPSS is 0.18%. Act only if a listed version of The Beaver Builder Team Beaver Builder Plugin (Starter Version) is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Vendor / distro source
Affected products
vendor The Beaver Builder Team Beaver Builder Plugin (Starter Version) 0 ≤2.9.2.1

The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘auto_play’ parameter in all versions up to, and including, 2.9.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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 The Beaver Builder Team Beaver Builder Plugin (Starter Version) 0 ≤2.9.2.10 ≤2.9.2.1

How to fix CVE-2025-8427

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-2025-8427. EPSS is 0.18%. Act only if a listed version of The Beaver Builder Team Beaver Builder Plugin (Starter Version) is installed.

Which versions are affected?

Compare what you have installed with The Beaver Builder Team Beaver Builder Plugin (Starter Version) 0 ≤2.9.2.1 0 ≤2.9.2.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

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. Oct 23, 2025 · EUVD

    Detected

    The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘auto_play’ parameter in all versions up to, and including, 2.9.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute wh

  2. Apr 8, 2026 · EUVD

    Updated

    The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘auto_play’ parameter in all versions up to, and including, 2.9.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute wh

Sources

  • CVE.orgVulnerability recordCVE-2025-8427

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-8427

    30-day exploitation probability 0.18%

    first.org
  • EUVDVulnerability recordEUVD-2025-35678

    The Beaver Builder Plugin (Starter Version) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘auto_play’ parameter in all versions up to, and including, 2.9.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authent

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 30, 2026
  • CVE.orgOct 24, 2026
  • EUVDOct 23, 2026