CVE-2026-16983

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-09-02. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 4.3Exploit: None knownExposed services: Not assessed

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

The Gutentor WordPress plugin before 4.0.6 does not apply the correct context restriction to one of its REST endpoints, exposing the plaintext passwords of password-protected posts to any authenticated user with at least the Subscriber role.

CVSS v3
4.3
EG Score
4.3MEDIUMmedium confidence
EG Risk
19
EG Risk 19/100CISA SSVC

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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
9th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 2, 2026

Last Modified

September 3, 2026

Advisory Details (1)

Auto-updated Sep 2, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Gutentor < 4.0.6 – Subscriber+ Password Protected Post Password Disclosure via REST API | CVE 2026-16983 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/30862f10-a2e6-4536-9a96-bbd8789b954f/

Vendor Advisories for CVE-2026-16983(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 20× in last 7d / 75× 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. 2026-10-05 05:08 UTCEG score recompute
  2. 2026-10-05 05:08 UTCGHSA enrichment
  3. 2026-10-04 23:21 UTCEPSS rescore
  4. 2026-10-04 05:32 UTCEG score recompute
  5. 2026-10-04 05:32 UTCGHSA enrichment
  6. 2026-10-03 14:25 UTCEPSS rescore
  7. 2026-10-03 05:56 UTCEG score recompute
  8. 2026-10-03 05:56 UTCGHSA enrichment
  9. 2026-10-02 06:04 UTCEG score recompute
  10. 2026-10-02 06:04 UTCGHSA enrichment
  11. 2026-10-01 19:49 UTCEPSS rescore
  12. 2026-10-01 04:27 UTCEG score recompute
  13. 2026-10-01 04:26 UTCGHSA enrichment
  14. 2026-09-30 15:02 UTCEPSS rescore
  15. 2026-09-30 04:51 UTCEG score recompute
  16. 2026-09-30 04:51 UTCGHSA enrichment
  17. 2026-09-29 15:20 UTCEPSS rescore
  18. 2026-09-29 04:50 UTCEG score recompute
  19. 2026-09-29 04:49 UTCGHSA enrichment
  20. 2026-09-28 13:51 UTCEPSS rescore
  21. 2026-09-28 05:14 UTCEG score recompute
  22. 2026-09-28 05:14 UTCGHSA enrichment
  23. 2026-09-27 13:47 UTCEPSS rescore
  24. 2026-09-27 05:39 UTCEG score recompute
  25. 2026-09-27 05:39 UTCGHSA enrichment
Show 64 more
  1. 2026-09-26 15:58 UTCEPSS rescore
  2. 2026-09-26 05:02 UTCEG score recompute
  3. 2026-09-26 05:02 UTCGHSA enrichment
  4. 2026-09-24 19:24 UTCEG score recompute
  5. 2026-09-24 19:24 UTCGHSA enrichment
  6. 2026-09-23 19:49 UTCEG score recompute
  7. 2026-09-23 19:49 UTCGHSA enrichment
  8. 2026-09-22 19:48 UTCEG score recompute
  9. 2026-09-22 19:48 UTCGHSA enrichment
  10. 2026-09-21 20:12 UTCGHSA enrichment
  11. 2026-09-20 20:36 UTCEG score recompute
  12. 2026-09-20 20:36 UTCGHSA enrichment
  13. 2026-09-19 21:00 UTCEG score recompute
  14. 2026-09-19 21:00 UTCGHSA enrichment
  15. 2026-09-18 21:24 UTCEG score recompute
  16. 2026-09-18 21:24 UTCGHSA enrichment
  17. 2026-09-18 19:27 UTCEPSS rescore
  18. 2026-09-17 20:57 UTCEG score recompute
  19. 2026-09-17 20:57 UTCGHSA enrichment
  20. 2026-09-16 21:21 UTCEG score recompute
  21. 2026-09-16 21:21 UTCGHSA enrichment
  22. 2026-09-16 14:07 UTCEPSS rescore
  23. 2026-09-16 05:14 UTCEPSS rescore
  24. 2026-09-15 21:44 UTCEG score recompute
  25. 2026-09-15 21:44 UTCGHSA enrichment
  26. 2026-09-14 22:08 UTCGHSA enrichment
  27. 2026-09-13 22:28 UTCEG score recompute
  28. 2026-09-13 22:28 UTCGHSA enrichment
  29. 2026-09-13 16:46 UTCEPSS rescore
  30. 2026-09-12 22:53 UTCEG score recompute
  31. 2026-09-12 22:53 UTCGHSA enrichment
  32. 2026-09-12 15:00 UTCEPSS rescore
  33. 2026-09-11 23:17 UTCEG score recompute
  34. 2026-09-11 23:17 UTCGHSA enrichment
  35. 2026-09-11 14:52 UTCEPSS rescore
  36. 2026-09-10 23:09 UTCEG score recompute
  37. 2026-09-10 23:09 UTCGHSA enrichment
  38. 2026-09-10 09:34 UTCEPSS rescore
  39. 2026-09-09 23:33 UTCGHSA enrichment
  40. 2026-09-08 23:15 UTCEG score recompute
  41. 2026-09-08 23:15 UTCGHSA enrichment
  42. 2026-09-08 22:00 UTCEPSS rescore
  43. 2026-09-07 16:31 UTCEG score recompute
  44. 2026-09-07 16:31 UTCGHSA enrichment
  45. 2026-09-07 16:01 UTCEPSS rescore
  46. 2026-09-06 16:56 UTCEG score recompute
  47. 2026-09-06 16:56 UTCGHSA enrichment
  48. 2026-09-06 13:47 UTCEPSS rescore
  49. 2026-09-05 17:20 UTCEG score recompute
  50. 2026-09-05 17:20 UTCGHSA enrichment
  51. 2026-09-04 17:42 UTCEG score recompute
  52. 2026-09-04 17:42 UTCGHSA enrichment
  53. 2026-09-04 05:06 UTCEPSS rescore
  54. 2026-09-03 18:04 UTCGHSA enrichment
  55. 2026-09-03 11:03 UTCEG score recompute
  56. 2026-09-03 11:02 UTCGHSA enrichment
  57. 2026-09-02 14:11 UTCEPSS rescore
  58. 2026-09-02 11:25 UTCGHSA enrichment
  59. 2026-09-02 10:52 UTCEG score recompute▲ 4.30
  60. 2026-09-02 10:52 UTCGHSA enrichment
  61. 2026-09-02 10:48 UTCMITRE cvelistV5CVSS v3 → 4.3 · severity → MEDIUM
  62. 2026-09-02 06:26 UTCNVD update
  63. 2026-09-02 06:08 UTCEG score recompute
  64. 2026-09-02 06:05 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16983?
CVE-2026-16983 is a medium vulnerability published on September 2, 2026. The Gutentor WordPress plugin before 4.0.6 does not apply the correct context restriction to one of its REST endpoints, exposing the plaintext passwords of password-protected posts to any authenticated user with at least the Subscriber role.
When was CVE-2026-16983 disclosed?
CVE-2026-16983 was first published on September 2, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16983 actively exploited?
CVE-2026-16983 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (9th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-16983?
CVE-2026-16983 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16983?
No fix for CVE-2026-16983 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-16983 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-16983

Explore →

Is Your Infrastructure Affected by CVE-2026-16983?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.