WordPress Patches Race Condition in Core Update Process Enabling Unauthenticated Remote Code Execution
WordPress released security updates on 28 October 2026 to resolve a race condition in the core update process that permits unauthenticated remote code execution.
The vulnerability resides in the automatic core update routine rather than any third-party plugin, affecting every site configured for self-updates. During an update, the system extracts files into a temporary staging folder whose predictable name and web-accessible installer files briefly expose a second installation endpoint.
An attacker who reaches this endpoint within the narrow time window can redirect it to a database under their control, resulting in arbitrary code execution on the server. The exposure window typically lasts only seconds and occurs automatically without administrator intervention.
Wordfence blocked 60,471 exploitation attempts in the 24 hours following disclosure; the figure represents recorded attempts rather than confirmed compromises. The researcher credited with the discovery is Umut Bayram.
Patches were issued in version 7.1.4 (containing 22 security fixes) as well as 7.0.8, 6.9.11, and backported fixes to 4.7.39. Installations running 4.6 or older no longer receive security updates.
The fixes introduce three changes: the temporary folder name now contains 16 random characters, index-file handling reverts to prior safe behavior, and the configuration file is no longer copied from the working directory.
Administrators are advised to update immediately to the latest secure release for their branch, verify that updates have completed successfully, restrict public access to the update folder inside wp-content, and confirm that their web application firewall rules are active. The corresponding Wordfence rule became available to paid customers on 28 October and is scheduled for the free version on 27 November.
Related articles
Google Releases November Android Security Patch Fixing 216 Vulnerabilities Including Critical Zero-Click Flaws
Google has issued its November security update for Android, addressing a total of 216 vulnerabilities with 23 classified as critical. The patch resolves multiple remote code execution flaws that require no additional privileges or user interaction, qualifying as zero-click attacks. Specific fixes include CVE-2026-58868 in the Framework component and CVE-2026-58876 along with CVE-2026-58936 in the System component, all impacting Android versions 14 through 17. Additional patches cover privilege escalation, information disclosure, and denial-of-service issues across the kernel, Bluetooth, virtualization layers, and chipsets from MediaTek and Qualcomm. No evidence of in-the-wild exploitation has been noted in the bulletin, yet the critical nature of the remote code execution bugs warrants immediate attention. Users must verify the 2026-11-05 patch level or newer in device settings, as simply running the latest Android version does not guarantee all fixes are installed. Some updates arrive via Google Play system updates while others depend on device manufacturers.
Backdoor with Password 123456 and Hardcoded Keys: How AI Cracked 'Encrypted' USB Drives
An AI agent rapidly discovered critical cryptographic weaknesses in multiple USB encryption and copy-protection products, including hardcoded backdoor accounts and keys that bypassed user passwords entirely. In the SecZure YutianDun drive, two hidden accounts with passwords 123456 and SECZURE.COM allowed full decryption of files without the administrator password. NetacFileLock used a fixed AES-256 key embedded in the binary, ignoring the user password completely while also logging passwords in plaintext and employing ECB mode. KakaSoft USB Copy Protection relied on a modified MD5 implementation with altered shift constants and a hardcoded internal password derived from an embedded seed, enabling full Blowfish decryption without any user input. Nexcopy stored its Triple DES content key and IV in an encrypted configuration file protected only by a fixed 32-byte certificate inside the viewer application. The AI completed analyses in minutes that previously required hours of manual time-travel debugging and reverse engineering.
CVE-2026-98432: Temporary nftables Filter with Auto-Rollback for Ubuntu Servers
Administrators are deploying a temporary nftables-based mitigation for CVE-2026-98432 on Linux systems while awaiting official kernel patches. The filter drops IPv4 TCP packets with IP header length exceeding five, reducing exposure to the vulnerability. The procedure includes verifying kernel status via Canonical, preparing rollback commands, and using systemd timers to automatically remove the table after five minutes if connectivity is lost. Steps cover syntax validation with nft --check, integration with existing firewall configurations, and post-reboot verification to ensure the temporary table persists without interfering with ufw or Docker rules. Red Hat guidance on discarding packets containing IP options is referenced as a complementary measure. The process is designed for single-server testing before scaling to production fleets, with explicit instructions to avoid flush ruleset operations that could disrupt other tables.
Old iPhones Remain Vulnerable to Bootloader Exploits Despite Airplane Mode for Crypto Seed Storage
Founder of OneKey Ishi Wang has warned that resetting an old iPhone, enabling airplane mode, and storing a cryptocurrency wallet recovery phrase on the device does not provide reliable protection. Hardware vulnerabilities such as checkm8 affecting iPhone 4S through iPhone X and usbliter8 targeting A12 and A13 chips allow attackers with physical access to bypass the secure boot chain and execute code before iOS loads. These issues persist because the bootloader code cannot be overwritten through standard resets or iOS updates. While device passcode, Secure Enclave, and application-level encryption still serve as barriers, the risk level depends on the specific model, iOS version, and password strength. Wang advises against relying on disconnected older iPhones as cold storage solutions for seed phrases.