Vulnerabilities

Vulnerability · CVE-2022-45077

Muffingroup Betheme Deserialization of Untrusted Data

Published Nov 17, 2022 · catalog updated Nov 17, 2022 · Muffingroup Betheme

Patch now

CVE-2022-45077 is in the CISA known-exploited catalog. Confirm Muffingroup Betheme against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.67%
Remediation
Remediation guidance
Affected products
stated Betheme · vendor Muffingroup Betheme

Auth. (subscriber+) PHP Object Injection vulnerability in Betheme theme <= 26.5.1.4 on WordPress.

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 Betheme<= 26.5.1
  • vendor Muffingroup Bethemeversion unspecified

How to fix CVE-2022-45077

What to do

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

Should you patch?

CVE-2022-45077 is in the CISA known-exploited catalog. Confirm Muffingroup Betheme against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with Betheme <= 26.5.1. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.67%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

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 17, 2022 · VulnCheck KEV

    Detected

    Auth. (subscriber+) PHP Object Injection vulnerability in Betheme theme <= 26.5.1.4 on WordPress.

  2. Nov 17, 2022 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2022-45077

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-45077

    30-day exploitation probability 0.7%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2022-45077

    Auth. (subscriber+) PHP Object Injection vulnerability in Betheme theme <= 26.5.1.4 on WordPress.

    vulncheck.com

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.