Live Exposure Defense: From CVE to Confirmed Exposure in 12 Hours – See more

Back
New CVE Detected

CVE-2026-56032 – PHP Object Injection / Potential RCE – BuddyBoss Platform <= 3.0.4

Be the first to know when new zero-days emerge:

Subscribe to Email Alerts
Subscribe to RSS Feed

Summary

CVE-2026-56032 is a critical PHP Object Injection vulnerability in the BuddyBoss Platform WordPress plugin, affecting all versions up to and including 3.0.4. Rated CVSS 9.8 (Critical) with a fully network-accessible, no-authentication-required attack vector, this flaw poses a severe risk of server compromise on any WordPress site running the affected plugin version. A fix is available in version 3.0.5, released June 19, 2026.

Technical details

  • Root cause: Unsafe deserialization of untrusted data (CWE-502: Deserialization of Untrusted Data) within the BuddyBoss Platform plugin; an attacker can supply a crafted serialized PHP payload to a vulnerable endpoint exposed by the plugin.
  • Trigger conditions: Exploitation requires no authentication (PR:N) and no user interaction (UI:N); the vulnerable deserialization routine processes attacker-controlled input directly over the network.
  • Attack vector: Remotely exploitable over the network (AV:N) with low attack complexity (AC:L), making mass exploitation feasible without specialized access or timing.
  • Impact: Successful exploitation, contingent on the presence of compatible POP (Property-Oriented Programming) gadget chains within the WordPress environment, can lead to arbitrary code injection, SQL injection, path traversal, or denial of service — potentially resulting in full remote code execution and complete server takeover.

Affected software

  • BuddyBoss Platform (WordPress plugin) — all versions up to and including 3.0.4

Severity

  • CVSS v3.1 Base Score: 9.8 (Critical)
  • Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: Update the BuddyBoss Platform plugin to version 3.0.5 or later. Version 3.0.5 was released on June 19, 2026 and contains the vendor-provided fix for this vulnerability.
  • If patching is delayed: Restrict access to WordPress REST API endpoints and plugin-exposed routes at the network or WAF layer. Audit other installed plugins for known PHP deserialization gadget chains that could be leveraged to escalate impact, and consider temporarily disabling the BuddyBoss Platform plugin until patching is feasible.

IONIX Status

The IONIX research team is tracking ongoing exploitation attempts and recommends immediate patching. Potentially affected assets are outlined in this post.

References

Are you exposed?

Get a free report of your organization’s exposure to this CVE and threat

  • Mapping of all Assets with this Technology
  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
Get Exposure Report

How IONIX’s External Exposure Management Platform Detects and Validates
Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

Are you exposed?

Get a free report of your organization’s exposure to this CVE and threat

  • Mapping of all Assets with this Technology
  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
Get Exposure Report
Close

Subscribe to Threat Center RSS

Copy/paste the link below into your preferred RSS reader or follow these instructions to subscribe to Slack alerts.

Open RSS feedSlack setup instructions

Close

Get Real-Time CVE Alerts to Your Email

Be the first to know when new zero-days emerge