criticalZero-Day

GiveWP WordPress Plugin Unauthenticated PHP Object Injection / RCE

First seen Aug 29, 2026 · Updated Aug 29, 2026

wordpressplugin-vulnerabilityrcephp-object-injectionunauthenticatedweb-application-securitycms

A maximum-severity vulnerability in the GiveWP WordPress donation plugin allows unauthenticated attackers to execute arbitrary commands on the hosting server. Given GiveWP's widespread use on nonprofit and fundraising websites, this flaw exposes a large number of internet-facing servers to full compromise without requiring any credentials.

Technical Analysis

The vulnerability resides in the GiveWP plugin's handling of user-supplied input, reportedly enabling PHP object injection that can be chained into arbitrary command execution on the underlying server, with no authentication required by the attacker. Exploitation likely targets donation form processing or metadata deserialization routines exposed via public-facing endpoints. Because the flaw grants server-level command execution, successful attackers can install web shells, pivot laterally, exfiltrate database credentials, or deploy further malware/ransomware. Organizations that host AI agent orchestration components, RAG pipelines, or automation scripts on the same shared hosting or server infrastructure as a vulnerable WordPress/GiveWP installation face risk of credential and API key theft (e.g., from wp-config.php or environment variables) that could cascade into compromise of connected agent tooling and downstream services.

Affected Systems

WordPress installations running the GiveWP donation plugin (version prior to the patched release); shared hosting environments and web servers hosting affected WordPress sites

Indicators of Compromise

  • No specific IOCs (hashes, IPs, domains) disclosed in source reporting at this time

Remediation Steps

  1. 1

    Update GiveWP Immediately

    Upgrade to the latest patched version of the GiveWP plugin as soon as it is released by the vendor.

  2. 2

    Restrict Access

    Temporarily disable or restrict public access to donation forms/plugin functionality until patched.

  3. 3

    Audit Server Logs

    Review web server and WordPress access logs for anomalous POST requests or unexpected command execution artifacts.

  4. 4

    Rotate Credentials

    Rotate WordPress admin, database, and any API keys/secrets stored on the server, especially those used by connected automation or agent systems.

  5. 5

    Deploy WAF Rules

    Implement web application firewall rules to detect and block known exploitation patterns targeting GiveWP.

Industries Most Exposed

nonprofite-commerceweb-hostingcharity/fundraisingtechnology

Sources

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