Security readout for executives and security teams
Plain-English summary
This WordPress plugin flaw affects WPvivid Backup, Migration & Staging through version 0.9.74. An attacker already holding administrator access could abuse a path handling issue to trigger unsafe PHP object deserialization, but only if they can also upload a crafted file and a usable object chain exists.
Executive priority
Treat as high priority on any WordPress site using WPvivid, especially business-critical sites. The attacker needs admin access, but successful abuse could affect site confidentiality, integrity, and availability. Remediate during the next urgent maintenance window rather than waiting for routine patching.
Technical view
CVE-2022-2442 is CWE-502 deserialization of untrusted input in WPvivid via the path parameter. The advisory describes PHAR wrapper abuse leading to arbitrary PHP object deserialization. Impact is high for confidentiality, integrity, and availability, but prerequisites include authenticated Admin+ access, successful payload upload, and a present POP chain.
Likely exposure
Exposure is limited to WordPress installations running WPvivid Backup, Migration & Staging versions up to and including 0.9.74. Sites without this plugin, or running a fixed later release, are not indicated as affected by the provided sources.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked KEV. Practical exploitation requires administrator privileges plus additional environmental conditions, so this is more likely post-compromise escalation than broad unauthenticated internet exploitation.
Researcher notes
Key constraints matter: Admin+ authentication, file upload success, and a usable POP chain are required. The public record points to PHAR deserialization through the path parameter and a WordPress plugin Trac changeset, but the bundle does not include confirmed exploit-in-the-wild evidence.
Mitigation direction
- Upgrade WPvivid Backup, Migration & Staging to a vendor-supported version later than 0.9.74.
- Restrict WordPress administrator access and remove unnecessary admin accounts.
- Review recent plugin uploads, staging actions, and unexpected filesystem changes.
- Check vendor, Wordfence, and WordPress plugin guidance for additional hardening.
- Prioritize sites where admin accounts are shared, weakly protected, or externally managed.
Validation and detection
- Inventory WordPress sites for the WPvivid plugin and recorded plugin version.
- Flag any WPvivid version up to and including 0.9.74.
- Review administrator account activity near backup, migration, and staging workflows.
- Confirm whether suspicious uploads or file changes occurred before remediation.
- Verify the plugin remains functional after updating.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-2442 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b7e2ca2e-c495-47f8-9c18-da5ba73d9e70?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/wpvivid-backuprestore/trunk/includes/staging/class-wpvivid-staging.php?rev=2749419#L1783CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2766112%40wpvivid-backuprestore%2Ftrunk%2Fincludes%2Fstaging%2Fclass-wpvivid-staging.php&new=2766112%40wpvivid-backuprestore%2Ftrunk%2Fincludes%2Fstaging%2Fclass-wpvivid-staging.phpCVE reference
- https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2442CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.