Security readout for executives and security teams
Plain-English summary
This is a high-severity issue in the Beaver Builder WordPress Assistant plugin through version 1.5.1. A logged-in user with high privileges could potentially trigger unsafe PHP object handling, risking site compromise. The source bundle does not show known active exploitation or a confirmed fixed version.
Executive priority
Treat this as a priority for WordPress estates using the Assistant plugin, especially public sites with multiple administrators. It is not currently evidenced as mass-exploited, but the potential impact is complete site compromise if a high-privilege account is abused.
Technical view
The CVE describes CWE-502 deserialization of untrusted data in the Assistant WordPress plugin, enabling PHP object injection. CVSS 3.1 is 7.2: network reachable, low complexity, high privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to WordPress sites running the Assistant plugin through 1.5.1 where high-privileged accounts exist. Confirm the installed plugin slug and version because the source bundle’s structured affected data is sparse while the description names versions through 1.5.1.
Exploitation context
No active exploitation is stated in the provided sources, and the CVE is not listed as KEV in the bundle. The high-privilege requirement reduces broad unauthenticated risk, but compromised or malicious administrator-level access could turn this into full site impact.
Researcher notes
Focus validation on plugin presence, version, and privilege boundaries. The available bundle identifies PHP object injection but does not provide exploit details, proof of active exploitation, or a named patch. Avoid assuming vulnerable gadget chains or affected deployments beyond Assistant through 1.5.1.
Mitigation direction
- Check Beaver Builder and Patchstack guidance for a vendor-confirmed fixed version.
- Disable or remove the Assistant plugin if it is not business-critical.
- Limit WordPress high-privilege accounts to trusted users only.
- Review administrator accounts for compromise or unnecessary access.
- Monitor site logs for suspicious high-privilege plugin activity.
Validation and detection
- Inventory WordPress sites for the Assistant plugin.
- Confirm installed Assistant versions are not 1.5.1 or earlier.
- Verify whether vendor guidance identifies a fixed release.
- Review high-privilege WordPress user access and recent changes.
- Check vulnerability management tools for CVE-2025-26885 coverage.
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-2025-26885 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
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.