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Tag: wordpress

SANS ISC

[SANS ISC] A Bunch of Compromized WordPress Sites

June 14, 2018 SANS Internet Storm Center, Security, Websites Leave a comment

I published the following diary on isc.sans.org: “A Bunch of Compromized WordPress Sites“: A few days ago, one of our readers contacted reported an incident affecting his website based on WordPress. He performed quick checks by himself and found some pieces of evidence: The main index.php file was modified and some

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Expanding your CMS at your own risk!

March 13, 2015 Security, Software, Websites 4 comments

CMS or “Content Management Systems” became vey common for a few years. Popular CMS are WordPress, Drupal or Joomla. You can rent some space at a hosting provider for a few bucks or even find free hosting platforms. You can deploy them in a few minutes on your own server. Then, you

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Analysis of WordPress Login Attempts

December 31, 2014 Security 6 comments

Waiting for the new year party, this is a last quick post in 2014! It’s not the first time that I see a peak of rogue authentication requests against some of the WordPress websites. But for a while, there is a constant flood of IP addresses trying to bruteforce the WordPress login

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Post-Analysis of My WordPress Bruteforce Attack

July 11, 2013 Security 3 comments

A few days weeks ago, I wrote a blog post (link) about a (unsuccessful) WordPress bruteforce attack agains this site. I captured the attackers’ traffic in a big pcap file. It was a good opportunity to perform a quick analysis to try to extract some statistics. Here follow more details

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Proud of My First Targeted Attack… or Not!

June 20, 2013 Security, Software, Websites 5 comments

Connecting a server to the Intertubes is like connecting it to the wild. There are plenty of bots (thousands? millions?) scanning IP addresses for vulnerable services. Once a service is enabled on an IP address, you don’t have to wait a long time before detecting incoming traffic! One of the

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Suspicious WordPress Plugins Scan

July 8, 2011 Security, Software 6 comments

Here is an interesting example I would like to share with you. It proves how log management is important. If you read my blog, you already know that I’m addicted to logs. They can be very useful to trace incidents or suspicious activities. Today I received several alerts from my

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Upgraded to 2.5

March 31, 2008 Software, Websites 2 comments

WordPress 2.5 is out! I successfully upgraded without downtime. The new administration interface looks very nice but, more important, let’s hope that security has been increased. I found this interesting post regarding a WordPress hack here.

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Error Handling: verbosity−−;

December 13, 2007 Security, Websites Leave a comment

Developers need to implement good error handling procedures in their code. There is nothing more annoying that something like “error 0x4e45ff“. On the other side, reporting too much details to the end user can lead to security threads! Use Google and search for “mysql error and look the cached pages.

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Upcoming Events

Here is a list of events that I will attend and cover via Twitter and wrap-ups. Ping me if you want to meet! The list is regularly updated.

SANS Munich 2023

Recent Articles

  • [SANS ISC] A Backdoor with Smart Screenshot Capability
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  • [SANS ISC] A First Malicious OneNote Document
  • [SANS ISC] Do you collect “Observables” or “IOCs”?
  • [SANS ISC] Another Script-Based Ransomware

Time Machine

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Recent Tweets

  • I joined to the 1st beta with @mathias_fuchs and highly recommended! Especially in you attended #FOR610 already! twitter.com/tazwake/status/164…

    March 30, 2023 07:17

  • I hate printers not only for being the worst devices in the world but also their manufacturers for the price of cartridges! #MafiaInk

    March 29, 2023 15:12

  • It has been a while! UDF malicious files are back? pic.twitter.com/j9KE4zPk3l

    March 28, 2023 16:57

  • Q for my Belgian followers... Anyone has a spare #Fujistu NAS that I could borrow a few days? A #Q815 (or any other… twitter.com/i/web/status/16404…

    March 27, 2023 18:42

  • After a training week, a good MTB ride ‍♂️… I think that this one can be renamed “Apocalypse Mud”! ️ pic.twitter.com/RAfEk5kPbj

    March 26, 2023 11:11

RSS NVD Vulnerabilities Feed

  • CVE-2022-48357 (emui, harmonyos) March 27, 2023
    Some products have the double fetch vulnerability. Successful exploitation of this vulnerability may cause denial of service (DoS) attacks to the kernel.
  • CVE-2023-1079 (linux_kernel) March 27, 2023
    A flaw was found in the Linux kernel. A use-after-free may be triggered in asus_kbd_backlight_set when plugging/disconnecting in a malicious USB device, which advertises itself as an Asus device. Similarly to the previous known CVE-2023-25012, but in asus devices, the work_struct may be scheduled by the LED controller while the device is disconnecting, triggering a […]
  • CVE-2023-0494 (enterprise_linux, enterprise_linux_aus, enterprise_linux_desktop, enterprise_linux_eus, enterprise_linux_for_ibm_z_systems, enterprise_linux_for_ibm_z_systems_eus, enterprise_linux_for_power_big_endian, enterprise_linux_for_power_little_endian, enterprise_linux_for_power_little_endian_eus, enterprise_linux_for_scientific_computing, enterprise_linux_server, enterprise_linux_server_aus, enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions, enterprise_linux_server_tus, enterprise_linux_server_update_services_for_sap_solutions, enterprise_linux_server_workstation, fedora, x_server) March 27, 2023
    A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
  • CVE-2022-48428 (teamcity) March 27, 2023
    In JetBrains TeamCity before 2022.10.3 stored XSS on the SSH keys page was possible
  • CVE-2022-48427 (teamcity) March 27, 2023
    In JetBrains TeamCity before 2022.10.3 stored XSS on “Pending changes� and “Changes� tabs was possible
  • CVE-2023-0823 (cookie_notice_&_compliance_for_gdpr_/_ccpa) March 27, 2023
    The Cookie Notice & Compliance for GDPR / CCPA WordPress plugin before 2.4.7 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
  • CVE-2023-1400 (modern_events_calendar_lite) March 27, 2023
    The Modern Events Calendar Lite WordPress plugin through 5.16.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
  • CVE-2023-1069 (complianz) March 27, 2023
    The Complianz WordPress plugin before 6.4.2, Complianz Premium WordPress plugin before 6.4.2 do not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
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