CVE-2021-43793
Bypass of Poll voting limits in Discourse
MEDIUM
4.3
CVSS Score
Published: December 1, 2021 at 07:40 PM UTC
Updated: June 17, 2026 at 04:11 AM UTC
1 product affected across 1 vendorDiscourse
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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.8%
Description
Discourse is an open source discussion platform. In affected versions a vulnerability in the Polls feature allowed users to vote multiple times in a single-option poll. The problem is patched in the latest tests-passed, beta and stable versions of Discourse
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.7.11v < 2.8.0.beta92.8.0 beta12.8.0 beta22.8.0 beta32.8.0 beta42.8.0 beta52.8.0 beta62.8.0 beta7
Affected range stops below 2.7.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.8.0.beta9, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/discourse/discourse/commit/0c6b9df77bac9c6f7c7e2eadf6fe100064afdeabx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/discourse/discourse/commit/1d0faedfbc3a8b77b971dc70d25e30791dbb6e0bx_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/discourse/discourse/security/advisories/GHSA-jq7h-44vc-h6qxCVSS
4.3MEDIUMGitHub_M
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-269NVD-CWE-Other
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