CVE-2026-72729

Discourse: Stored XSS in discourse-local-dates plugin

State
Published
Severity
2.0 Low
Published
Aug 10, 2026
Updated
Aug 11, 2026
Reserved
Aug 10, 2026

Read the record on cve.org

Description

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, the discourse-local-dates plugin rendered crafted local-date format data as HTML on sites with a modified or disabled default Content Security Policy. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.

Scores

CVSSScoreVectorSource
4.02.0 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NGitHub_M

Weaknesses

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

ProductVersions
discoursediscourse
  • < 2026.1.6Affected
  • >= 2026.5.0-latest, < 2026.5.2Affected
  • >= 2026.6.0-latest, < 2026.6.1Affected

References

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