- Description
- 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. This issue is patched in 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. No known workarounds are available.
- Source
- security-advisories@github.com
- NVD status
- Awaiting Analysis
CVSS 4.0
- Type
- Secondary
- Base score
- 8.7
- Impact score
- -
- Exploitability score
- -
- Vector string
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Severity
- HIGH
- security-advisories@github.com
- CWE-400
- Hype score
- Not currently trending
So PROUD of you @TheTeaToast 🙌🏼 Huge shoutout to Andy for landing CVE-2025-48053 by reporting a Resource Exhaustion bug in Discourse. Big W for open source and for our team! Less go @Capturethebugs 🚀 https://t.co/yZPanHBuc3
@expankita
18 Jun 2025
714 Impressions
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CVE-2025-48053 Discourse Private Message URL Handling Availability Reduction Vulnerability https://t.co/eBPS3CeD21
@VulmonFeeds
9 Jun 2025
17 Impressions
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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 … https://t.co/ytITn3JHNs
@CVEnew
9 Jun 2025
383 Impressions
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