Automattic: >> Activitypub Security Vulnerabilities
The ActivityPub WordPress plugin before 1.0.0 does not escape user metadata before outputting them in mentions, which could allow users with a role of Contributor and above to perform Stored XSS attacks
CVSS Score
5.4
EPSS Score
0.001
Published
2023-10-16
The ActivityPub WordPress plugin before 1.0.0 does not sanitize and escape some data from post content, which could allow contributor and above role to perform Stored Cross-Site Scripting attacks
CVSS Score
5.4
EPSS Score
0.001
Published
2023-10-16
The ActivityPub WordPress plugin before 1.0.0 does not ensure that post titles to be displayed are public and belong to the plugin, allowing any authenticated user, such as subscriber to retrieve the title of arbitrary post (such as draft and private) via an IDOR vector
CVSS Score
4.3
EPSS Score
0.001
Published
2023-10-16
The ActivityPub WordPress plugin before 1.0.0 does not ensure that post contents to be displayed are public and belong to the plugin, allowing any authenticated user, such as subscriber to retrieve the content of arbitrary post (such as draft and private) via an IDOR vector. Password protected posts are not affected by this issue.
CVSS Score
4.3
EPSS Score
0.001
Published
2023-10-16