Discourse is an open source community platform. In affected versions any user can create a topic and add arbitrary custom fields to a topic. The severity of this vulnerability depends on what plugins are installed and how the plugins uses topic custom fields. For a default Discourse installation with the default plugins, this vulnerability has no impact. The problem has been patched in the latest version of Discourse. Users are advised to update to version 3.1.1 if they are on the stable branch or 3.2.0.beta2 if they are on the beta branch. Users unable to upgrade should disable any plugins that access topic custom fields.
CVE-2023-45147
This low-severity CVE scores 3.1 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 81% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.1
- EG Score
- 3.1(medium)
- EG Risk
- 14(Track)EG Risk 14/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity31% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 19%
- KEV
- Not listed
Published
October 16, 2023
Last Modified
June 17, 2026
References (2)
- security-advisories@githubhttps://github.com/discourse/discourse/security/advisories/GHSA-wm89-m359-f9qv
- af854a3a-2127-422b-91ae-364da2661108https://github.com/discourse/discourse/security/advisories/GHSA-wm89-m359-f9qv
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 133 total refreshes for this CVE.
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:35 UTCEPSS rescore
- 2026-08-07 16:25 UTCEPSS rescore
- 2026-08-06 13:45 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 15:07 UTCEPSS rescore
- 2026-08-03 10:34 UTCEPSS rescore
- 2026-08-03 10:34 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-01 23:36 UTCOSV refresh
- 2026-08-01 04:14 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:34 UTCEPSS rescore
- 2026-07-28 15:34 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:16 UTCEPSS rescore
- 2026-07-24 14:16 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
Show 75 moreShow fewer
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:27 UTCEG score recompute
- 2026-07-22 23:13 UTCEG score recompute▼ 1.80
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-20 17:06 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-16 17:01 UTCEPSS rescore
- 2026-07-16 17:01 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 16:56 UTCEPSS rescore
- 2026-07-15 06:49 UTCOSV refresh
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-13 22:28 UTCEPSS rescore
- 2026-07-13 22:28 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-09 19:08 UTCEPSS rescore
- 2026-07-08 15:13 UTCEPSS rescore
- 2026-07-07 13:44 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-05 02:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-01 15:05 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-29 14:05 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 14:06 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-27 07:04 UTCOSV refresh
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-25 13:48 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 06:25 UTCNVD updateCVSS v3 → 3.1 · severity → LOW
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-22 14:24 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 14:55 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-21 01:58 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
- 2026-06-19 19:24 UTCEPSS rescore
- 2026-06-18 17:51 UTCEPSS rescore
- 2026-06-17 17:51 UTCEPSS rescore
- 2026-06-17 17:51 UTCEPSS rescore
- 2026-06-16 17:51 UTCEPSS rescore
- 2026-06-16 17:51 UTCEPSS rescore
- 2026-06-15 17:47 UTCEPSS rescore
- 2026-06-15 17:47 UTCEPSS rescore
- 2026-06-14 23:16 UTCEPSS rescore
- 2026-06-13 22:59 UTCEPSS rescore
- 2026-06-13 22:59 UTCEPSS rescore
- 2026-06-12 23:10 UTCEPSS rescore
- 2026-06-12 23:10 UTCEPSS rescore
- 2026-06-11 13:59 UTCEPSS rescore
- 2026-06-11 13:59 UTCEPSS rescore
- 2026-06-10 22:17 UTCEPSS rescore
- 2026-06-10 13:21 UTCEPSS rescore
- 2026-06-10 13:21 UTCEPSS rescore
- 2026-06-09 17:47 UTCOSV refresh
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2023-45147?
When was CVE-2023-45147 disclosed?
Is CVE-2023-45147 actively exploited?
What is the CVSS score of CVE-2023-45147?
How do I remediate CVE-2023-45147?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2023-45147
Is Your Infrastructure Affected by CVE-2023-45147?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.