Wordpress: >> Wordpress >> 3.4 Security Vulnerabilities
WordPress before 5.8 lacks support for the Update URI plugin header. This makes it easier for remote attackers to execute arbitrary code via a supply-chain attack against WordPress installations that use any plugin for which the slug satisfies the naming constraints of the WordPress.org Plugin Directory but is not yet present in that directory.
CVSS Score
8.1
EPSS Score
0.387
Published
2021-11-25
WordPress before 5.5.2 allows stored XSS via post slugs.
CVSS Score
6.1
EPSS Score
0.16
Published
2020-11-02
is_protected_meta in wp-includes/meta.php in WordPress before 5.5.2 allows arbitrary file deletion because it does not properly determine whether a meta key is considered protected.
CVSS Score
9.1
EPSS Score
0.06
Published
2020-11-02
WordPress before 5.5.2 allows CSRF attacks that change a theme's background image.
CVSS Score
4.3
EPSS Score
0.003
Published
2020-11-02
WordPress before 5.5.2 mishandles deserialization requests in wp-includes/Requests/Utility/FilteredIterator.php.
CVSS Score
9.8
EPSS Score
0.207
Published
2020-11-02
WordPress before 5.5.2 mishandles embeds from disabled sites on a multisite network, as demonstrated by allowing a spam embed.
CVSS Score
7.5
EPSS Score
0.013
Published
2020-11-02
WordPress before 5.5.2 allows XSS associated with global variables.
CVSS Score
6.1
EPSS Score
0.027
Published
2020-11-02
WordPress before 5.5.2 allows attackers to gain privileges via XML-RPC.
CVSS Score
9.8
EPSS Score
0.049
Published
2020-11-02
wp-includes/class-wp-xmlrpc-server.php in WordPress before 5.5.2 allows attackers to gain privileges by using XML-RPC to comment on a post.
CVSS Score
9.8
EPSS Score
0.048
Published
2020-11-02
is_blog_installed in wp-includes/functions.php in WordPress before 5.5.2 improperly determines whether WordPress is already installed, which might allow an attacker to perform a new installation, leading to remote code execution (as well as a denial of service for the old installation).
CVSS Score
9.8
EPSS Score
0.127
Published
2020-11-02