CVE-2023-28112

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, some user provided URLs were being passed to FastImage without SSRF protection. Insufficient protections could enable attackers to trigger outbound network connections from the...

CVE-2023-28112 Discourse's SSRF protection missing for some FastImage requests

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, some user provided URLs were being passed to FastImage without SSRF protection. Insufficient protections could enable attackers to trigger outbound network connections from the...

CVE-2023-28112 Discourse's SSRF protection missing for some FastImage requests

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, some user provided URLs were being passed to FastImage without SSRF protection. Insufficient protections could enable attackers to trigger outbound network connections from the...

CVE-2023-28112 Discourse's SSRF protection missing for some FastImage requests

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, some user provided URLs were being passed to FastImage without SSRF protection. Insufficient protections could enable attackers to trigger outbound network connections from the...

CVE-2023-28112

Discourse (open‑source discussion platform) has a CVE-2023-28112 issue affecting the beta and tests-passed branches prior to 3.1.0.beta3. The root cause is missing SSRF protection in how some user-provided URLs are passed to FastImage, enabling outbound connections from the Discourse server to pr...

CVE-2023-28107

Discourse is an open-source discussion platform. Prior to version 3.0.2 of the stable branch and version 3.1.0.beta3 of the beta and tests-passed branches, a user logged as an administrator can request backups multiple times, which will eat up all the connections to the DB. If this is done on a...

CVE-2023-28111

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, attackers are able to bypass Discourse's server-side request forgery SSRF protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the...

CVE-2023-25172

Discourse is an open-source discussion platform. Prior to version 3.0.1 of the stable branch and version 3.1.0.beta2 of the beta and tests-passed branches, a maliciously crafted URL can be included in a user's full name field to to carry out cross-site scripting attacks on sites with a disabled o...

Cross site scripting

Discourse is an open-source discussion platform. Prior to version 3.0.1 of the stable branch and version 3.1.0.beta2 of the beta and tests-passed branches, a maliciously crafted URL can be included in a user's full name field to to carry out cross-site scripting attacks on sites with a disabled o...

Server side request forgery (ssrf)

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, attackers are able to bypass Discourse's server-side request forgery SSRF protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the...

CVE-2023-28111 Discourse vulnerable to SSRF protection bypass possible with IPv4-mapped IPv6 addresses

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, attackers are able to bypass Discourse's server-side request forgery SSRF protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the...

CVE-2023-28111

CVE-2023-28111 concerns Discourse prior to 3.1.0.beta3 (beta and tests-passed branches), where an attacker can bypass the platform’s SSRF protections for private IPv4 addresses by using an IPv4-mapped IPv6 address. The root cause is a weakness in SSRF filtering that permits IPv4-mapped IPv6 repre...

CVE-2023-28111 Discourse vulnerable to SSRF protection bypass possible with IPv4-mapped IPv6 addresses

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, attackers are able to bypass Discourse's server-side request forgery SSRF protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the...

CVE-2023-28111 Discourse vulnerable to SSRF protection bypass possible with IPv4-mapped IPv6 addresses

Discourse is an open-source discussion platform. Prior to version 3.1.0.beta3 of the beta and tests-passed branches, attackers are able to bypass Discourse's server-side request forgery SSRF protection for private IPv4 addresses by using a IPv4-mapped IPv6 address. The issue is patched in the...

CVE-2023-28107 Discourse vulnerable to multisite DoS by spamming backups

Discourse is an open-source discussion platform. Prior to version 3.0.2 of the stable branch and version 3.1.0.beta3 of the beta and tests-passed branches, a user logged as an administrator can request backups multiple times, which will eat up all the connections to the DB. If this is done on a...

CVE-2023-28107

CVE-2023-28107 affects Discourse. Prior to Discourse 3.0.2 (stable) and 3.1.0.beta3 (beta/tests-passed), an administrator could trigger repeated backup requests, exhausting DB connections and potentially impacting multisite clusters. Patches are available in 3.0.2 (stable) and 3.1.0.beta3 (beta/t...

CVE-2023-28107 Discourse vulnerable to multisite DoS by spamming backups

Discourse is an open-source discussion platform. Prior to version 3.0.2 of the stable branch and version 3.1.0.beta3 of the beta and tests-passed branches, a user logged as an administrator can request backups multiple times, which will eat up all the connections to the DB. If this is done on a...

CVE-2023-25172 Discourse vulnerable to Cross-site Scripting - user name displayed on post

Discourse is an open-source discussion platform. Prior to version 3.0.1 of the stable branch and version 3.1.0.beta2 of the beta and tests-passed branches, a maliciously crafted URL can be included in a user's full name field to to carry out cross-site scripting attacks on sites with a disabled o...

CVE-2023-25172 Discourse vulnerable to Cross-site Scripting - user name displayed on post

Discourse is an open-source discussion platform. Prior to version 3.0.1 of the stable branch and version 3.1.0.beta2 of the beta and tests-passed branches, a maliciously crafted URL can be included in a user's full name field to to carry out cross-site scripting attacks on sites with a disabled o...

CVE-2023-25172

Discourse exposes a cross-site scripting (XSS) vulnerability when a malicious URL is placed in a user’s full name field in vulnerable branches. Affected versions are prior to Discourse 3.0.1 (stable) and 3.1.0.beta2 (beta/tests-passed). The root cause is an XSS payload in the full name field that...