CVE-2026-72725
What it is
Discourse is an open-source discussion platform. Prior to 2026.1.6, the staff action log model rendered unescaped previous and new value fields that could inject stored cross-site scripting into the staff interface. The issue is fixed in 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account, but needs a user to act. Limited direct impact.
- Exploit odds
- 0.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.3% in the next 30 days (EPSS).
- Severity: 5.4 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-79 · Cross-site scripting
- Record status
- Deferred
Attack profile CVSS 3.1 · 5.4
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-72725.md and follow it. Check whether this project is affected by CVE-2026-72725. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/discourse/discourse/commit/66601a6e6eeeabfcb06d2f692d68534be12de082
- https://github.com/discourse/discourse/commit/74ae22d85f4e13c7c7f2e3c13fce023feec7e033
- https://github.com/discourse/discourse/commit/fd44510b4303e7f8f0b42bd070a2d42d3cda259f
- https://github.com/discourse/discourse/security/advisories/GHSA-8x29-vv56-wj6v
References
- https://github.com/discourse/discourse/commit/66601a6e6eeeabfcb06d2f692d68534be12de082
- https://github.com/discourse/discourse/commit/74ae22d85f4e13c7c7f2e3c13fce023feec7e033
- https://github.com/discourse/discourse/commit/fd44510b4303e7f8f0b42bd070a2d42d3cda259f
- https://github.com/discourse/discourse/security/advisories/GHSA-8x29-vv56-wj6v