CVE-2019-25738

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-04. the CNA's CVSS baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

WordPress Hybrid Composer 1.4.6 contains an unauthenticated settings change vulnerability that allows unauthenticated attackers to modify WordPress options by exploiting the hc_ajax_save_option action. Attackers can send POST requests to the admin-ajax.php endpoint with the action parameter set to hc_ajax_save_option to enable user registration and set the default role to administrator, enabling account takeover.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

June 4, 2026

Last Modified

July 28, 2026

Advisory Details (5)

Auto-updated Aug 25, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

WordPress Hybrid Composer 1.4.6 Unauthenticated Settings Change | Advisories | VulnCheck

https://www.vulncheck.com/advisories/wordpress-hybrid-composer-unauthenticated-settings-change
generic

WPTF Hybrid Composer - Unauthenticated Arbitrary Options Update

https://labs.sucuri.net/wptf-hybrid-composer-unauthenticated-arbitrary-options-update/
generic

Hybrid Composer - WordPress Theme Framework

http://wordpress.framework-y.com/hybrid-composer/
generic

WPTF - The Best WordPress Theme Framework

http://wordpress.framework-y.com
generic🟡 PoC Available

WordPress Plugin Hybrid Composer 1.4.6 - Improper Access Restrictions - PHP webapps Exploit

https://www.exploit-db.com/exploits/47154

Vendor Advisories for CVE-2019-25738(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 24× in last 7d / 149× 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 385 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2019-25738?
CVE-2019-25738 is a critical vulnerability published on June 4, 2026. WordPress Hybrid Composer 1.4.6 contains an unauthenticated settings change vulnerability that allows unauthenticated attackers to modify WordPress options by exploiting the hcajaxsaveoption action. Attackers can send POST requests to the admin-ajax.php endpoint with the action parameter set to…
When was CVE-2019-25738 disclosed?
CVE-2019-25738 was first published in the National Vulnerability Database on June 4, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-25738 actively exploited?
CVE-2019-25738 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 72.6% of all scored CVEs.
What is the CVSS score of CVE-2019-25738?
CVE-2019-25738 has a CVSS v4.0 base score of 9.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2019-25738?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-25738, 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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