CVE-2026-4297

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-24. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: None knownExposed: 0

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

The Welcome Software Publishing plugin for WordPress is vulnerable to Arbitrary Options Update in all versions up to and including 0.0.31. This is due to a missing capability check in the nc_setOption() function, which is exposed via the nc.setOption XML-RPC method. The function authenticates the user via $wp_xmlrpc_server->login() (verifying credentials are valid) but does not perform any authorization check such as current_user_can('manage_options'). This makes it possible for authenticated attackers, with Subscriber-level access and above, to update arbitrary WordPress options via XML-RPC requests. This can be leveraged to change the default_role option to 'administrator' and then register a new administrator account, achieving full privilege escalation and site takeover.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity88% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
50%
KEV
Not listed

Published

June 24, 2026

Last Modified

June 25, 2026

References (9)

Vendor Advisories for CVE-2026-4297(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 5× in last 7d / 61× 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 208 total refreshes for this CVE.

  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-10 09:35 UTCEPSS rescore
  3. 2026-09-08 22:01 UTCEPSS rescore
  4. 2026-09-07 16:01 UTCEPSS rescore
  5. 2026-09-06 13:47 UTCEPSS rescore
  6. 2026-09-04 05:06 UTCEPSS rescore
  7. 2026-09-02 14:12 UTCEPSS rescore
  8. 2026-09-01 13:54 UTCEPSS rescore
  9. 2026-09-01 04:40 UTCEPSS rescore
  10. 2026-08-30 20:23 UTCEG score recompute
  11. 2026-08-30 20:23 UTCGHSA enrichment
  12. 2026-08-30 19:17 UTCEPSS rescore
  13. 2026-08-30 01:22 UTCEPSS rescore
  14. 2026-08-28 21:41 UTCEPSS rescore
  15. 2026-08-28 04:58 UTCEG score recompute
  16. 2026-08-28 04:58 UTCGHSA enrichment
  17. 2026-08-27 14:25 UTCEPSS rescore
  18. 2026-08-26 14:46 UTCEPSS rescore
  19. 2026-08-25 13:49 UTCEPSS rescore
  20. 2026-08-24 22:04 UTCEG score recompute
  21. 2026-08-24 22:04 UTCGHSA enrichment
  22. 2026-08-24 04:41 UTCGHSA enrichment
  23. 2026-08-23 14:29 UTCGHSA enrichment
  24. 2026-08-23 02:06 UTCEG score recompute
  25. 2026-08-23 02:06 UTCGHSA enrichment
Show 75 more
  1. 2026-08-23 00:19 UTCEPSS rescore
  2. 2026-08-22 13:40 UTCEG score recompute
  3. 2026-08-22 13:40 UTCGHSA enrichment
  4. 2026-08-21 23:49 UTCEPSS rescore
  5. 2026-08-21 20:54 UTCGHSA enrichment
  6. 2026-08-21 08:31 UTCEG score recompute
  7. 2026-08-21 08:31 UTCGHSA enrichment
  8. 2026-08-20 22:55 UTCEPSS rescore
  9. 2026-08-20 20:07 UTCGHSA enrichment
  10. 2026-08-20 07:44 UTCEG score recompute
  11. 2026-08-20 07:44 UTCGHSA enrichment
  12. 2026-08-19 17:04 UTCEPSS rescore
  13. 2026-08-19 04:46 UTCEG score recompute
  14. 2026-08-19 04:46 UTCGHSA enrichment
  15. 2026-08-18 13:48 UTCEPSS rescore
  16. 2026-08-17 14:30 UTCEG score recompute
  17. 2026-08-17 14:30 UTCGHSA enrichment
  18. 2026-08-17 13:47 UTCEPSS rescore
  19. 2026-08-17 02:07 UTCEG score recompute
  20. 2026-08-17 02:07 UTCGHSA enrichment
  21. 2026-08-16 14:56 UTCEPSS rescore
  22. 2026-08-16 13:44 UTCEG score recompute
  23. 2026-08-16 13:44 UTCGHSA enrichment
  24. 2026-08-16 02:14 UTCEPSS rescore
  25. 2026-08-16 01:21 UTCGHSA enrichment
  26. 2026-08-15 12:58 UTCEG score recompute
  27. 2026-08-15 12:58 UTCGHSA enrichment
  28. 2026-08-15 01:30 UTCEPSS rescore
  29. 2026-08-15 00:26 UTCGHSA enrichment
  30. 2026-08-14 12:03 UTCGHSA enrichment
  31. 2026-08-13 23:40 UTCEG score recompute
  32. 2026-08-13 23:40 UTCGHSA enrichment
  33. 2026-08-13 22:00 UTCEPSS rescore
  34. 2026-08-13 11:10 UTCGHSA enrichment
  35. 2026-08-12 22:46 UTCEG score recompute
  36. 2026-08-12 22:46 UTCGHSA enrichment
  37. 2026-08-12 13:51 UTCEPSS rescore
  38. 2026-08-12 10:23 UTCGHSA enrichment
  39. 2026-08-11 22:00 UTCEG score recompute
  40. 2026-08-11 22:00 UTCGHSA enrichment
  41. 2026-08-11 09:37 UTCEG score recompute
  42. 2026-08-11 09:37 UTCGHSA enrichment
  43. 2026-08-11 00:00 UTCEPSS rescore
  44. 2026-08-10 21:14 UTCGHSA enrichment
  45. 2026-08-10 08:50 UTCGHSA enrichment
  46. 2026-08-09 20:28 UTCEG score recompute
  47. 2026-08-09 20:28 UTCGHSA enrichment
  48. 2026-08-09 13:46 UTCEPSS rescore
  49. 2026-08-09 08:05 UTCGHSA enrichment
  50. 2026-08-08 19:42 UTCEG score recompute
  51. 2026-08-08 19:42 UTCGHSA enrichment
  52. 2026-08-08 16:37 UTCEPSS rescore
  53. 2026-08-08 07:18 UTCGHSA enrichment
  54. 2026-08-07 18:55 UTCEG score recompute
  55. 2026-08-07 18:55 UTCGHSA enrichment
  56. 2026-08-07 06:32 UTCGHSA enrichment
  57. 2026-08-06 18:09 UTCEG score recompute
  58. 2026-08-06 18:09 UTCGHSA enrichment
  59. 2026-08-06 13:47 UTCEPSS rescore
  60. 2026-08-06 05:46 UTCEG score recompute
  61. 2026-08-06 05:46 UTCGHSA enrichment
  62. 2026-08-05 19:17 UTCEPSS rescore
  63. 2026-08-05 17:24 UTCGHSA enrichment
  64. 2026-08-05 03:36 UTCGHSA enrichment
  65. 2026-08-04 15:13 UTCEG score recompute
  66. 2026-08-04 15:13 UTCGHSA enrichment
  67. 2026-08-04 15:10 UTCEPSS rescore
  68. 2026-08-04 10:39 UTCEPSS rescore
  69. 2026-08-03 20:21 UTCEG score recompute
  70. 2026-08-03 20:21 UTCGHSA enrichment
  71. 2026-08-03 10:36 UTCEPSS rescore
  72. 2026-08-03 07:58 UTCGHSA enrichment
  73. 2026-08-02 17:51 UTCGHSA enrichment
  74. 2026-08-02 05:28 UTCEG score recompute
  75. 2026-08-02 05:28 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-4297?
CVE-2026-4297 is a high vulnerability published on June 24, 2026. The Welcome Software Publishing plugin for WordPress is vulnerable to Arbitrary Options Update in all versions up to and including 0.0.31. This is due to a missing capability check in the ncsetOption() function, which is exposed via the nc.setOption XML-RPC method. The function authenticates the…
When was CVE-2026-4297 disclosed?
CVE-2026-4297 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-4297 actively exploited?
CVE-2026-4297 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 50.0% of all scored CVEs.
What is the CVSS score of CVE-2026-4297?
CVE-2026-4297 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-4297?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4297, 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.

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