CVE-2025-48053

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, sending a malicious URL in a PM to a bot user can cause a reduced the availability of a Discourse instance...

CVE-2025-48877

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, Codepen is present in the default allowediframes site setting, and it can potentially auto-run arbitrary JS...

CVE-2025-48877 Discourse vulnerable to auto-executing of third-party code in embedded CodePen iframe

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, Codepen is present in the default allowediframes site setting, and it can potentially auto-run arbitrary JS...

CVE-2025-48877

Summary: CVE-2025-48877 affects Discourse. Before the patched releases, Codepen could be present in the default allowed_iframes site setting, potentially auto-running arbitrary JS in the iframe scope. Affected versions (as stated): Discourse < 3.4.4 (stable), < 3.5.0.beta5 (beta), and

CVE-2025-48877 Discourse vulnerable to auto-executing of third-party code in embedded CodePen iframe

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, Codepen is present in the default allowediframes site setting, and it can potentially auto-run arbitrary JS...

CVE-2025-48062 Discourse vulnerable to HTML injection when inviting to topic via email

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, certain invites via email may result in HTML injection in the email body if the topic title includes HTML...

CVE-2025-48062

Technical details about CVE-2025-48062 are not publicly disclosed in the provided documents. Monitor for updates from official sources.

CVE-2025-48062 Discourse vulnerable to HTML injection when inviting to topic via email

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, certain invites via email may result in HTML injection in the email body if the topic title includes HTML...

CVE-2025-48053 Discourse vulnerable to DoS via large URL payload in PM to a bot

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, sending a malicious URL in a PM to a bot user can cause a reduced the availability of a Discourse instance...

CVE-2025-48053

CVE-2025-48053 affects Discourse: before patch versions, sending a malicious URL in a PM to a bot can reduce availability of a Discourse instance (DoS). Patched in stable 3.4.4, beta 3.5.0.beta5, and tests-passed 3.5.0.beta6-dev. No workarounds documented. CVSS metrics from NVD indicate high impa...

CVE-2025-48053 Discourse vulnerable to DoS via large URL payload in PM to a bot

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, sending a malicious URL in a PM to a bot user can cause a reduced the availability of a Discourse instance...

CVE-2025-48053 Discourse vulnerable to DoS via large URL payload in PM to a bot

Discourse is an open-source discussion platform. Prior to version 3.4.4 of the stable branch, version 3.5.0.beta5 of the beta branch, and version 3.5.0.beta6-dev of the tests-passed branch, sending a malicious URL in a PM to a bot user can cause a reduced the availability of a Discourse instance...

PT-2025-24431 · Discourse · Discourse

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.4.4 Discourse version 3.5.0.beta5 and earlier of the beta branch Discourse version 3.5.0.beta6-dev and earlier of the tests-passed branch Description: Discourse is an open-source discussion platform. Sending a...

Discourse 安全漏洞

Discourse is an open source community discussion platform from Discourse Open Source. The platform includes features such as communities, email, and chat rooms. A security vulnerability exists in Discourse versions prior to 3.4.4, prior to 3.5.0.beta5, and prior to 3.5.0.beta6-dev, which stems fr...

PT-2025-24434 · Codepen +1 · Codepen +1

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.4.4 Discourse version 3.5.0.beta5 and earlier of the beta branch Discourse version 3.5.0.beta6-dev and earlier of the tests-passed branch Description: Discourse is an open-source discussion platform. In versions...

Discourse 安全漏洞

Discourse is an open source community discussion platform from Discourse Open Source. The platform includes features such as communities, email, and chat rooms. A security vulnerability exists in Discourse versions prior to 3.4.4, prior to 3.5.0.beta5, and prior to 3.5.0.beta6-dev, which stems fr...

PT-2025-24432

Name of the Vulnerable Software and Affected Versions Discourse versions prior to 3.4.4 Discourse version 3.5.0.beta5 and earlier of the beta branch Discourse version 3.5.0.beta6-dev and earlier of the tests-passed branch Description The issue concerns HTML injection in email bodies when the topi...

CVE-2025-47288

Discourse Policy plugin gives the ability to confirm users have seen or done something. Prior to version 0.1.1, if there was a policy posted to a public topic that was tied to a private group then the group members could be shown to non-group members. This issue has been patched in version 0.1.1....

CVE-2025-47288

Discourse Policy plugin gives the ability to confirm users have seen or done something. Prior to version 0.1.1, if there was a policy posted to a public topic that was tied to a private group then the group members could be shown to non-group members. This issue has been patched in version 0.1.1....

CVE-2025-47288 Discourse Policy plugin private group members visible

Discourse Policy plugin gives the ability to confirm users have seen or done something. Prior to version 0.1.1, if there was a policy posted to a public topic that was tied to a private group then the group members could be shown to non-group members. This issue has been patched in version 0.1.1....