Priority LOW 23
Discourse 1.9.0.beta2 before 1.9.0.beta13 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the email parameter of /email/unsubscribed.
CVSS 4.0MEDIUM 5.1· Network · No auth · User interaction · EPSS 0.00265 · Published 2026-10-22 · Fixed in 1.9.0.beta13 CWE-79
Priority LOW 19
Discourse Doc Categories is a plugin for organizing Discourse topics as documentation.
CVSS 3.1MEDIUM 4.3· Network · Low privileges · No interaction · EPSS 0.00183 · Published 2026-10-16 · No fix listed CWE-200
Priority MEDIUM 43
Discourse ActivityPub adds ActivityPub support to Discourse.
CVSS 3.1HIGH 8.6· Network · No auth · No interaction · EPSS 0.002 · Published 2026-10-15 · Fixed in 1c8518b0f2abdf31cbea3e0b242f74d8994a9ba5 CWE-345
Priority LOW 39
Discourse is an open-source discussion platform.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00482 · Published 2026-10-14 · Fixed in 2026.1.9, 2026.7.3 +2 CWE-200
Priority LOW 39
Discourse is an open-source discussion platform.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00482 · Published 2026-10-14 · Fixed in 2026.1.9, 2026.7.3 +2 CWE-862
Priority LOW 34
Discourse is an open-source discussion platform.
CVSS 3.1HIGH 7.7· Network · Low privileges · No interaction · EPSS 0.00417 · Published 2026-10-14 · Fixed in 2026.1.9, 2026.7.3 +2 CWE-79
Priority LOW 28
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 6.4· Network · Low privileges · No interaction · EPSS 0.00201 · Published 2026-09-24 · Fixed in 2026.8.0, 2026.7.2 +2 CWE-79
Priority LOW 22
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 5.0· Network · Low privileges · No interaction · EPSS 0.00258 · Published 2026-09-24 · Fixed in 2026.8.0, 2026.7.2 +2 CWE-79
Priority LOW 24
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 5.4· Network · Low privileges · No interaction · EPSS 0.00201 · Published 2026-09-24 · Fixed in 2026.8.0, 2026.7.2 +2 CWE-79
Priority LOW 19
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 4.3· Network · Low privileges · No interaction · EPSS 0.00136 · Published 2026-09-24 · Fixed in 2026.8.0, 2026.7.2 +2 CWE-346
Priority LOW 39
Discourse is an open-source discussion platform.
CVSS 3.1HIGH 8.7· Network · Low privileges · User interaction · EPSS 0.00261 · Published 2026-09-24 · Fixed in 2026.8.0, 2026.7.2 +2 CWE-79
Priority LOW 37
Discourse is an open-source discussion platform.
CVSS 3.1HIGH 7.2· Network · No auth · No interaction · EPSS 0.00287 · Published 2026-09-24 · Fixed in 2026.8.0, 2026.7.2 +2 CWE-22
Priority LOW 29
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.00285 · Published 2026-09-24 · Fixed in 2026.8.0, 2026.7.2 +2 CWE-943
Priority LOW 24
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 5.4· Network · Low privileges · No interaction · EPSS 0.00216 · Published 2026-09-24 · Fixed in 2026.8.0, 2026.7.2 +2 CWE-20
Priority LOW 19
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 4.2· Network · High privileges · User interaction · EPSS 0.00238 · Published 2026-09-24 · Fixed in 2026.7.0, 2026.6.1 +2 CWE-862
Priority LOW 24
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 5.4· Network · Low privileges · User interaction · EPSS 0.00289 · Published 2026-09-21 · Fixed in 2026.7.0 CWE-79
Priority LOW 30
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 5.3· Network · No auth · No interaction · EPSS 0.00313 · Published 2026-08-17 · Fixed in 2026.1.6, 2026.5.2 +1 CWE-862
Priority LOW 20
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 4.3· Network · Low privileges · No interaction · EPSS 0.0027 · Published 2026-08-17 · Fixed in 2026.1.6, 2026.5.2 +1 CWE-862
Priority MEDIUM 43
Discourse is an open-source discussion platform.
CVSS 3.1CRITICAL 9.3· Network · No auth · User interaction · EPSS 0.0059 · Published 2026-08-17 · Fixed in 2026.1.6, 2026.5.2 +1 CWE-79
Priority LOW 20
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 4.3· Network · Low privileges · No interaction · EPSS 0.00378 · Published 2026-08-17 · Fixed in 2026.1.6, 2026.5.2 +1 CWE-862
Priority LOW 20
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 4.3· Network · Low privileges · No interaction · EPSS 0.00342 · Published 2026-08-10 · Fixed in 2026.1.6, 2026.5.2 +2 CWE-862
Priority LOW 31
Discourse is an open-source discussion platform.
CVSS 3.1HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00402 · Published 2026-08-10 · Fixed in 2026.1.7, 2026.6.2 +2 CWE-89
Priority MEDIUM 40
Discourse is an open-source discussion platform.
CVSS 3.1HIGH 8.7· Network · Low privileges · User interaction · EPSS 0.0043 · Published 2026-08-10 · Fixed in 2026.1.6, 2026.5.2 +1 CWE-79
Priority LOW 11
Discourse is an open-source discussion platform.
CVSS 4.0LOW 2.0· Network · Low privileges · User interaction · EPSS 0.00483 · Published 2026-08-10 · Fixed in 2026.1.6, 2026.5.2 +1 CWE-79
Priority LOW 28
Discourse is an open-source discussion platform.
CVSS 3.1MEDIUM 6.3· Network · Low privileges · No interaction · EPSS 0.00313 · Published 2026-08-10 · Fixed in 2026.1.7, 2026.6.2 +2 CWE-20
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