Vulnerability database
Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.
9 results
Oct 8, 2026Apache Struts Command Injection VulnerabilityCVE-2016-3081 · Websites & servers · Apache · reported by Red HatExploitedHigh 8.1
Apache Struts contains a command injection vulnerability that could allow remote attackers to execute arbitrary code via method:prefix when Dynamic Method Invocation is enabled.
- Product
- Struts
- On CISA’s list since
- Oct 8, 2026 (federal fix deadline Oct 11, 2026)
- What to do
- Attackers are using this now. Install Apache’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogpacketstormsecurity.comhuawei.com
Mar 25, 2022Apache Struts Improper Input Validation VulnerabilityCVE-2013-2251 · Websites & servers · Apache · reported by Red HatExploitedCritical 9.8
Apache Struts allows remote attackers to execute arbitrary Object-Graph Navigation Language (OGNL) expressions.
- Product
- Struts
- On CISA’s list since
- Mar 25, 2022 (federal fix deadline Apr 15, 2022)
- What to do
- Attackers are using this now. Install Apache’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogarchiva.apache.orgcxsecurity.com
Feb 10, 2022Apache Struts 1 Improper Input Validation VulnerabilityCVE-2017-9791 · Websites & servers · Apache · reported by security@apache.orgExploitedCritical 9.8
The Struts 1 plugin in Apache Struts might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage.
- Product
- Struts 1
- On CISA’s list since
- Feb 10, 2022 (federal fix deadline Aug 10, 2022)
- What to do
- Attackers are using this now. Install Apache’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogstruts.apache.orgoracle.com
Jan 21, 2022Apache Struts 2 Improper Input Validation VulnerabilityCVE-2012-0391 · Websites & servers · Apache · reported by MITREExploitedCritical 9.8
The ExceptionDelegator component in Apache Struts 2 before 2.2.3.1 contains an improper input validation vulnerability that allows for remote code execution.
- Product
- Struts 2
- On CISA’s list since
- Jan 21, 2022 (federal fix deadline Jul 21, 2022)
- What to do
- Attackers are using this now. Install Apache’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogarchives.neohapsis.comsecunia.com
Jan 21, 2022Apache Struts 1 ActionForm Denial-of-Service VulnerabilityCVE-2006-1547 · Websites & servers · Apache · reported by Red HatExploitedHigh 7.5
ActionForm in Apache Struts versions before 1.2.9 with BeanUtils 1.7 contains a vulnerability that allows for denial-of-service (DoS).
- Product
- Struts 1
- On CISA’s list since
- Jan 21, 2022 (federal fix deadline Jul 21, 2022)
- What to do
- Attackers are using this now. Install Apache’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogissues.apache.orglists.suse.com
Nov 3, 2021Apache Struts Deserialization of Untrusted Data VulnerabilityCVE-2017-9805 · Websites & servers · Apache · reported by security@apache.orgExploitedHigh 8.1
Apache Struts REST Plugin uses an XStreamHandler with an instance of XStream for deserialization without any type filtering, which can lead to remote code execution when deserializing XML payloads.
- Product
- Struts
- On CISA’s list since
- Nov 3, 2021 (federal fix deadline May 3, 2022)
- What to do
- Attackers are using this now. Install Apache’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogoracle.comsecurityfocus.com
Nov 3, 2021Apache Struts Remote Code Execution VulnerabilityCVE-2020-17530 · Websites & servers · Apache · reported by security@apache.orgExploitedCritical 9.8
Forced Object-Graph Navigation Language (OGNL) evaluation in Apache Struts, when evaluated on raw user input in tag attributes, can lead to remote code execution.
- Product
- Struts
- On CISA’s list since
- Nov 3, 2021 (federal fix deadline May 3, 2022)
- What to do
- Attackers are using this now. Install Apache’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogjvn.jppacketstormsecurity.com
Nov 3, 2021Apache Struts Remote Code Execution VulnerabilityCVE-2017-5638 · Websites & servers · Apache · reported by security@apache.orgExploitedRansomwareCritical 9.8
Apache Struts Jakarta Multipart parser allows for malicious file upload using the Content-Type value, leading to remote code execution.
- Product
- Struts
- On CISA’s list since
- Nov 3, 2021 (federal fix deadline May 3, 2022)
- What to do
- Attackers are using this now. Install Apache’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogblog.talosintelligence.comblog.trendmicro.com
Nov 3, 2021Apache Struts Remote Code Execution VulnerabilityCVE-2018-11776 · Websites & servers · Apache · reported by security@apache.orgExploitedHigh 8.1
Apache Struts contains a vulnerability that allows for remote code execution under two circumstances. One, where the alwaysSelectFullNamespace option is true and the value isn't set for a result defined in underlying configurations and in same time, its upper package configuration have no or wildcard namespace. Or, using URL tag which doesn't have value and action set and in same time, its upper package configuration have no or wildcard namespace.
- Product
- Struts
- On CISA’s list since
- Nov 3, 2021 (federal fix deadline May 3, 2022)
- What to do
- Attackers are using this now. Install Apache’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD recordCISA catalogpacketstormsecurity.comarubanetworks.com
Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.
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