Critical security advisoryCriticalFlagged by our vulnerability database: PHP2Shell is on CISA’s exploited list. Most WordPress hosting runs PHP. See if your site is affectedFlagged by our vulnerability database: PHP2Shell is being exploited. DetailsExploited: PHP2Shell. Check your site
HuttenlocherTechnologies
Updated 3 min ago

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.

1,766exploited flaws on CISA’s list
36added in the last 30 days
588new WordPress flaws this week
391,288entries in the database

4 results

  • Feb 5, 2026CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with craCVE-2020-37121 · Other software · Code::Blocks · reported by VulnCheckMedium 6.7

    CODE::BLOCKS 16.01 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler with crafted Unicode characters. Attackers can create a malicious text file with 1982 bytes of buffer and shellcode to trigger remote code execution.

    Product
    Code::Blocks
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jan 30, 2026Code Blocks 17.12 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by crafting a malicious file name with Unicode CVE-2020-37040 · Other software · Code::Blocks · reported by VulnCheckHigh 8.4

    Code Blocks 17.12 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by crafting a malicious file name with Unicode characters. Attackers can trigger the vulnerability by pasting a specially crafted payload into the file name field during project creation, potentially executing system commands like calc.exe.

    Product
    Code::Blocks
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jan 30, 2026Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field.CVE-2020-37038 · Other software · Code::Blocks · reported by VulnCheckMedium 4.6

    Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. Attackers can paste a large payload of 5000 repeated characters into the search field to trigger an application crash.

    Product
    Code::Blocks
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Apr 8, 2020A buffer overflow vulnerability in Code::Blocks 17.12 allows an attacker to execute arbitrary code via a crafted project file.CVE-2020-10814 · Other software · Codeblocks · reported by MITREMedium 5.5

    A buffer overflow vulnerability in Code::Blocks 17.12 allows an attacker to execute arbitrary code via a crafted project file.

    Product
    Code\
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.

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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