web shells
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ShowDoc flaw under active exploitation as users urged to update
A critical ShowDoc flaw tracked as CVE-2025-0520 is being actively exploited, with attackers using it to drop web shells on a U.S. honeypot. The bug affects older versions of the software and was fixed in 2020.
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CL-UNK-1068 espionage campaign targets critical sectors across Asia
Palo Alto Networks Unit 42 reported a years-long CL-UNK-1068 campaign that targeted critical sectors across Asia, using web server exploits, web shells and credential theft tools to steal sensitive files and maintain persistent access.
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China-linked Ink Dragon group targets European government networks, Check Point says
Check Point Research says a China-linked hacking cluster known as Ink Dragon has focused on European government targets since July 2025, using web shells, ShadowPad relays and modular tooling including FINALDRAFT to maintain stealthy, long-term access across multiple regions.
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Critical Sneeit WordPress plugin RCE actively exploited, security firm reports
A critical remote code execution flaw (CVE-2025-6389) in the Sneeit Framework WordPress plugin is being exploited in the wild; Wordfence said attackers have created admin accounts and uploaded web shells. The issue affects versions up to 8.3 and was fixed in 8.4. Separately, VulnCheck observed an ICTBroadcast exploit delivering a DDoS botnet called “frost.”
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JPCERT/CC confirms active exploitation of command injection in Array AG gateways
JPCERT/CC says a command injection vulnerability in Array Networks AG Series gateways has been exploited since August 2025 to drop web shells; Array fixed the flaw in May and users are urged to apply ArrayOS 9.4.5.9 or disable DesktopDirect and block semicolon-containing URLs if they cannot patch immediately.
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Australia warns of ongoing BADCANDY attacks on unpatched Cisco IOS XE devices
The Australian Signals Directorate warned of ongoing attacks using a Lua-based web shell called BADCANDY that exploits CVE-2023-20198 in unpatched Cisco IOS XE devices, estimated to have affected about 400 devices in Australia since July 2025 and urging patching and hardening measures.
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ReliaQuest: Chinese-linked group converted ArcGIS server into long-term backdoor
ReliaQuest reported that a state-linked group known as Flax Typhoon modified an ArcGIS Java extension into a web shell, implanted it in backups and used it to run discovery, deploy a SoftEther-based VPN bridge and maintain access for over a year.
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Researchers say Chinese-speaking group UAT-8099 uses IIS servers for global SEO fraud
Researchers say a Chinese-speaking group dubbed UAT-8099 has been exploiting Microsoft IIS servers to run SEO fraud and steal credentials and certificate data, using web shells, Cobalt Strike and a modified BadIIS backdoor across targets in Asia and the Americas.
