Wordfence Argus Discovers Critical Vulnerability in Ghostscript, the Program That Turns Uploaded PDFs into Thumbnails on Your Server

On September 8, 2026, Artifex released Ghostscript 10.08.0, closing a critical heap buffer overflow that the Wordfence Threat Intelligence team, using Wordfence Argus, discovered and reported sixteen days earlier. It is tracked as CVE-2026-39919 and carries a CVSS score of 9.8 out of 10. A crafted PDF containing a JPEG 2000 image can make Ghostscript … Read more

Wordfence Intelligence Weekly WordPress Vulnerability Report (September 28, 2026 to October 4, 2026)

Last week, there were 501 vulnerabilities disclosed in 367 WordPress Plugins and 9 WordPress Themes that have been added to the Wordfence Intelligence Vulnerability Database, and there were 201 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not affected. Our mission with … Read more

Cybersecurity Imperatives Will Demand AI Math

“I think we might lose public key cryptography.” ~Matthew Green The above is from Matthew Green, yesterday, who is a cryptographer at Johns Hopkins. OpenAI released over 700 mathematical proofs as a github repository yesterday. They’ve since withdrawn 3 of them. The reaction from mathematicians has been frustration and some anger and sadness, and there’s … Read more

Wordfence Intelligence Weekly WordPress Vulnerability Report (September 21, 2026 to September 27, 2026)

Last week, there were 319 vulnerabilities disclosed in 222 WordPress Plugins that have been added to the Wordfence Intelligence Vulnerability Database, and there were 156 Vulnerability Researchers that contributed to WordPress Security last week. Review those vulnerabilities in this report now to ensure your site is not affected. Our mission with Wordfence Intelligence is to … Read more

Quarterly WordPress Threat Intelligence Report – Q2 2026

As the leader in WordPress security, Wordfence provides unparalleled security coverage that fully encompasses protection, active monitoring, detection, and response all built around our threat intelligence, demonstrating a strong commitment to security. Our mission is to ensure comprehensive defense-in-depth for every layer of a WordPress website’s security. It’s important to understand that a complete security … Read more