CVE-2026-54823: Widget Options WordPress plugin contributor remote code execution
CVE-2026-54823 is verified against the affected target vulnerability class: RCE This critical reproduction includes runnable sandbox proof, artifacts, and a plain-text agent view under REPRO-2026-00230.
pruva-verify REPRO-2026-00230 curl -O https://pruva.dev/api/v1/reproductions/REPRO-2026-00230/artifacts/bundle/repro/reproduction_steps.sh && chmod +x reproduction_steps.sh && ./reproduction_steps.sh Contributor Remote Code Execution exists in Widget Options <= 4.2.3. A user with contributor privileges can send a crafted request that executes arbitrary code on the server. Reproduce: install WordPress with the vulnerable Widget Options plugin, create a contributor account, send a payload that writes or executes a PHP file, and confirm code execution.
Variant analysis
The agent's step-by-step process — every tool call, every handoff, the moment the exploit fired. Phases: support triages the advisory · repro reproduces it · vuln_variant confirms the fix blocks it · judge verifies.
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Scripts, logs, diffs, and output captured during the reproduction.