WordPress 5.3.1 resolve diversas vulnerabilidades no core do CMS, um total de 46 updates e aprimoramentos.
Existem 4 vulnerabilidades de segurança corrigidas nesta atualização que afetam o WordPress versões 5.3 e anteriores.
- The first one is a privilege escalation vulnerability that allows an unprivileged user could make a post sticky via the REST API.
- The second one is Props to the WordPress.org Security Team for hardening
wp_kses_bad_protocol()to ensure that it is aware of the named colon attribute. - There are two Cross-site scripts (XSS) vulnerabilities are fixed in this release, one could be stored in well-crafted links and the other one, a stored XSS vulnerability using block editor content.
O WordPress anunciou que o WordPress 5.3.1 é uma versão de manutenção curta. O próximo grande lançamento será a versão 5.4.
Existem várias atualizações de manutenção lançadas, incluindo as seguintes:
- Administration: improvements to admin form controls height and alignment standardization (see related dev note), dashboard widget links accessibility and alternate color scheme readability issues (see related dev note).
- Block editor: fix Edge scrolling issues and intermittent JavaScript issues.
- Bundled themes: add customizer option to show/hide author bio, replace JS based smooth scroll with CSS (see related dev note) and fix Instagram embed CSS.
- Date/time: improve non-GMT dates calculation, fix date format output in specific languages and make
get_permalink()more resilient against PHP timezone changes. - Embeds: remove CollegeHumor oEmbed provider as the service doesn’t exist anymore.
- External libraries: update
sodium_compat. - Site health: allow the remind interval for the admin email verification to be filtered.
- Uploads: avoid thumbnails overwriting other uploads when filename matches, and exclude PNG images from scaling after upload.
- Users: ensure administration email verification uses the user’s locale instead of the site locale.
Como atualizar o WordPress 5.3.1
WordPress 5.3.1 contains 46 maintenance fixes. Updates are simple Dashboard >> Updates >> Update Now.
É sempre uma boa idéia fazer backup do WordPress antes de prosseguir com a atualização; pois caso houver algum problema, poderá facilmente restaurar o website.
Também pode usar o plugin WP Hardening – um plug-in gratuito de segurança do WordPress para executar uma auditoria de segurança em tempo real no website.
Pedro Tavares is a professional in the field of information security working as an Ethical Hacker/Pentester, Malware Researcher and also a Security Evangelist. He is also a founding member at CSIRT.UBI and Editor-in-Chief of the security computer blog seguranca-informatica.pt.
In recent years he has invested in the field of information security, exploring and analyzing a wide range of topics, such as pentesting (Kali Linux), malware, exploitation, hacking, IoT and security in Active Directory networks. He is also Freelance Writer (Infosec. Resources Institute and Cyber Defense Magazine) and developer of the 0xSI_f33d – a feed that compiles phishing and malware campaigns targeting Portuguese citizens.
Read more here.