CVE-2023-37252

LOWPre-NVD 3.13.1—
EchelonGraph scoreHIGH confidence

Score 3.1 from GitHub Security Advisory (severity: LOW) published 2026-09-14. a secondary CVSS source baseline 3.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
3.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.1Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. Special:CheckUserLog shows usernames that have been hidden.

CVSS v3
3.1
EG Score
3.1(high)
EG Risk
30(Track)
EG Risk 30/100SSVC: 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 computed
Severity31% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
10%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 16, 2026

References (2)

Vendor Advisories for CVE-2023-37252(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 12× 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.

  1. 2026-09-16 19:58 UTCEG score recompute
  2. 2026-09-16 19:58 UTCGHSA enrichment
  3. 2026-09-16 14:05 UTCEPSS rescore
  4. 2026-09-14 17:27 UTCEG score recompute
  5. 2026-09-14 17:27 UTCGHSA enrichment
  6. 2026-09-14 16:20 UTCEG score recompute
  7. 2026-09-14 16:20 UTCGHSA enrichment
  8. 2026-09-14 06:20 UTCEG score recompute▲ 3.10
  9. 2026-09-14 06:20 UTCNVD updateCVSS v3 → 3.1 · severity → LOW
  10. 2026-09-14 05:19 UTCNVD update
  11. 2026-09-14 05:15 UTCEG score recompute
  12. 2026-09-14 05:14 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2023-37252?
CVE-2023-37252 is a low vulnerability published on September 14, 2026. An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. Special:CheckUserLog shows usernames that have been hidden.
When was CVE-2023-37252 disclosed?
CVE-2023-37252 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-37252 actively exploited?
CVE-2023-37252 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 90.3% of all scored CVEs.
What is the CVSS score of CVE-2023-37252?
CVE-2023-37252 has a CVSS v3 base score of 3.1 (NVD).
How do I remediate CVE-2023-37252?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-37252, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-37252

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