A disk space or quota exhaustion issue exists in article2pdf_getfile.php in the article2pdf Wordpress plugin 0.24, 0.25, 0.26, 0.27. Visiting PDF generation link but not following the redirect will leave behind a PDF file on disk which will never be deleted by the plug-in.
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Check my exposure →This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.