CVE-2023-28440

Discourse is an open source platform for community discussion. In affected versions a maliciously crafted request from a Discourse administrator can lead to a long-running request and eventual timeout. This has the greatest potential impact in shared hosting environments where admins are untrusted. This issue has been addressed in versions 3.0.3 and 3.1.0.beta4. Users are advised to upgrade. There are no known workarounds for this vulnerability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
2.7 LOW
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
GitHub_MCNA
2.7 LOW
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 37%
VendorProductVersion
discoursediscourse
𝑥
< 3.0.3
discoursediscourse
1.1.0:beta1
discoursediscourse
1.1.0:beta2
discoursediscourse
1.1.0:beta3
discoursediscourse
1.1.0:beta4
discoursediscourse
1.1.0:beta5
discoursediscourse
1.1.0:beta6
discoursediscourse
1.1.0:beta6b
discoursediscourse
1.1.0:beta7
discoursediscourse
1.1.0:beta8
discoursediscourse
1.2.0:beta1
discoursediscourse
1.2.0:beta2
discoursediscourse
1.2.0:beta3
discoursediscourse
1.2.0:beta4
discoursediscourse
1.2.0:beta5
discoursediscourse
1.2.0:beta6
discoursediscourse
1.2.0:beta7
discoursediscourse
1.2.0:beta8
discoursediscourse
1.2.0:beta9
discoursediscourse
1.3.0:beta1
discoursediscourse
1.3.0:beta10
discoursediscourse
1.3.0:beta11
discoursediscourse
1.3.0:beta2
discoursediscourse
1.3.0:beta3
discoursediscourse
1.3.0:beta4
discoursediscourse
1.3.0:beta5
discoursediscourse
1.3.0:beta6
discoursediscourse
1.3.0:beta7
discoursediscourse
1.3.0:beta8
discoursediscourse
1.3.0:beta9
discoursediscourse
1.4.0:beta1
discoursediscourse
1.4.0:beta10
discoursediscourse
1.4.0:beta11
discoursediscourse
1.4.0:beta12
discoursediscourse
1.4.0:beta2
discoursediscourse
1.4.0:beta3
discoursediscourse
1.4.0:beta4
discoursediscourse
1.4.0:beta5
discoursediscourse
1.4.0:beta6
discoursediscourse
1.4.0:beta7
discoursediscourse
1.4.0:beta8
discoursediscourse
1.4.0:beta9
discoursediscourse
1.5.0:beta1
discoursediscourse
1.5.0:beta10
discoursediscourse
1.5.0:beta11
discoursediscourse
1.5.0:beta12
discoursediscourse
1.5.0:beta13
discoursediscourse
1.5.0:beta13b
discoursediscourse
1.5.0:beta14
discoursediscourse
1.5.0:beta2
discoursediscourse
1.5.0:beta3
discoursediscourse
1.5.0:beta4
discoursediscourse
1.5.0:beta5
discoursediscourse
1.5.0:beta6
discoursediscourse
1.5.0:beta7
discoursediscourse
1.5.0:beta8
discoursediscourse
1.5.0:beta9
discoursediscourse
1.6.0:beta1
discoursediscourse
1.6.0:beta10
discoursediscourse
1.6.0:beta11
discoursediscourse
1.6.0:beta12
discoursediscourse
1.6.0:beta2
discoursediscourse
1.6.0:beta3
discoursediscourse
1.6.0:beta4
discoursediscourse
1.6.0:beta5
discoursediscourse
1.6.0:beta6
discoursediscourse
1.6.0:beta7
discoursediscourse
1.6.0:beta8
discoursediscourse
1.6.0:beta9
discoursediscourse
1.7.0:beta1
discoursediscourse
1.7.0:beta10
discoursediscourse
1.7.0:beta11
discoursediscourse
1.7.0:beta2
discoursediscourse
1.7.0:beta3
discoursediscourse
1.7.0:beta4
discoursediscourse
1.7.0:beta5
discoursediscourse
1.7.0:beta6
discoursediscourse
1.7.0:beta7
discoursediscourse
1.7.0:beta8
discoursediscourse
1.7.0:beta9
discoursediscourse
1.8.0:beta1
discoursediscourse
1.8.0:beta10
discoursediscourse
1.8.0:beta11
discoursediscourse
1.8.0:beta12
discoursediscourse
1.8.0:beta13
discoursediscourse
1.8.0:beta2
discoursediscourse
1.8.0:beta3
discoursediscourse
1.8.0:beta4
discoursediscourse
1.8.0:beta5
discoursediscourse
1.8.0:beta6
discoursediscourse
1.8.0:beta7
discoursediscourse
1.8.0:beta8
discoursediscourse
1.8.0:beta9
discoursediscourse
1.9.0:beta1
discoursediscourse
1.9.0:beta10
discoursediscourse
1.9.0:beta11
discoursediscourse
1.9.0:beta12
discoursediscourse
1.9.0:beta13
discoursediscourse
1.9.0:beta14
discoursediscourse
1.9.0:beta15
discoursediscourse
1.9.0:beta16
discoursediscourse
1.9.0:beta17
discoursediscourse
1.9.0:beta2
discoursediscourse
1.9.0:beta3
discoursediscourse
1.9.0:beta4
discoursediscourse
1.9.0:beta5
discoursediscourse
1.9.0:beta6
discoursediscourse
1.9.0:beta7
discoursediscourse
1.9.0:beta8
discoursediscourse
1.9.0:beta9
discoursediscourse
2.0.0:beta1
discoursediscourse
2.0.0:beta10
discoursediscourse
2.0.0:beta2
discoursediscourse
2.0.0:beta3
discoursediscourse
2.0.0:beta4
discoursediscourse
2.0.0:beta5
discoursediscourse
2.0.0:beta6
discoursediscourse
2.0.0:beta7
discoursediscourse
2.0.0:beta8
discoursediscourse
2.0.0:beta9
discoursediscourse
2.1.0:beta1
discoursediscourse
2.1.0:beta2
discoursediscourse
2.1.0:beta3
discoursediscourse
2.1.0:beta4
discoursediscourse
2.1.0:beta5
discoursediscourse
2.1.0:beta6
discoursediscourse
2.2.0:beta1
discoursediscourse
2.2.0:beta10
discoursediscourse
2.2.0:beta2
discoursediscourse
2.2.0:beta3
discoursediscourse
2.2.0:beta4
discoursediscourse
2.2.0:beta5
discoursediscourse
2.2.0:beta6
discoursediscourse
2.2.0:beta7
discoursediscourse
2.2.0:beta8
discoursediscourse
2.2.0:beta9
discoursediscourse
2.3.0:beta1
discoursediscourse
2.3.0:beta10
discoursediscourse
2.3.0:beta11
discoursediscourse
2.3.0:beta2
discoursediscourse
2.3.0:beta3
discoursediscourse
2.3.0:beta4
discoursediscourse
2.3.0:beta5
discoursediscourse
2.3.0:beta6
discoursediscourse
2.3.0:beta7
discoursediscourse
2.3.0:beta8
discoursediscourse
2.3.0:beta9
discoursediscourse
2.4.0:beta1
discoursediscourse
2.4.0:beta10
discoursediscourse
2.4.0:beta11
discoursediscourse
2.4.0:beta2
discoursediscourse
2.4.0:beta3
discoursediscourse
2.4.0:beta4
discoursediscourse
2.4.0:beta5
discoursediscourse
2.4.0:beta6
discoursediscourse
2.4.0:beta7
discoursediscourse
2.4.0:beta8
discoursediscourse
2.4.0:beta9
discoursediscourse
2.5.0:beta1
discoursediscourse
2.5.0:beta2
discoursediscourse
2.5.0:beta3
discoursediscourse
2.5.0:beta4
discoursediscourse
2.5.0:beta5
discoursediscourse
2.5.0:beta6
discoursediscourse
2.5.0:beta7
discoursediscourse
2.6.0:beta1
discoursediscourse
2.6.0:beta2
discoursediscourse
2.6.0:beta3
discoursediscourse
2.6.0:beta4
discoursediscourse
2.6.0:beta5
discoursediscourse
2.6.0:beta6
discoursediscourse
2.7.0:beta1
discoursediscourse
2.7.0:beta2
discoursediscourse
2.7.0:beta3
discoursediscourse
2.7.0:beta4
discoursediscourse
2.7.0:beta5
discoursediscourse
2.7.0:beta6
discoursediscourse
2.7.0:beta7
discoursediscourse
2.7.0:beta8
discoursediscourse
2.7.0:beta9
discoursediscourse
2.8.0:beta1
discoursediscourse
2.8.0:beta10
discoursediscourse
2.8.0:beta11
discoursediscourse
2.8.0:beta2
discoursediscourse
2.8.0:beta3
discoursediscourse
2.8.0:beta4
discoursediscourse
2.8.0:beta5
discoursediscourse
2.8.0:beta6
discoursediscourse
2.8.0:beta7
discoursediscourse
2.8.0:beta8
discoursediscourse
2.8.0:beta9
discoursediscourse
2.9.0:beta1
discoursediscourse
2.9.0:beta10
discoursediscourse
2.9.0:beta11
discoursediscourse
2.9.0:beta12
discoursediscourse
2.9.0:beta13
discoursediscourse
2.9.0:beta14
discoursediscourse
2.9.0:beta2
discoursediscourse
2.9.0:beta3
discoursediscourse
2.9.0:beta4
discoursediscourse
2.9.0:beta5
discoursediscourse
2.9.0:beta6
discoursediscourse
2.9.0:beta7
discoursediscourse
2.9.0:beta8
discoursediscourse
2.9.0:beta9
discoursediscourse
3.0.0:beta15
discoursediscourse
3.0.0:beta16
discoursediscourse
3.1.0:beta1
discoursediscourse
3.1.0:beta2
discoursediscourse
3.1.0:beta3
𝑥
= Vulnerable software versions