CVE-2017-20251

CRITICALPre-NVD 9.89.8
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-09. 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
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

WordPress Insert PHP plugin versions before 3.3.1 contain a PHP code injection vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by injecting malicious shortcodes through the WordPress REST API. Attackers can send POST requests to the wp-json/wp/v2/posts endpoint with crafted content containing insert_php shortcodes to include and execute remote PHP files on the server.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
42.5%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 9, 2026

Advisory Details (3)

Auto-updated Jun 20, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

WordPress Insert PHP Plugin 4.7.0 PHP Code Injection via REST API | Advisories | VulnCheck

https://www.vulncheck.com/advisories/wordpress-insert-php-plugin-php-code-injection-via-rest-api
generic

Woody Code Snippets – Insert PHP, CSS, JS, and Header/Footer Scripts – Extension WordPress | WordPress.org Français

https://fr.wordpress.org/plugins/insert-php/
generic🟡 PoC Available

WordPress Plugin Insert PHP 3.3.1 - PHP Code Injection - PHP webapps Exploit

https://www.exploit-db.com/exploits/41308

Vendor Advisories for CVE-2017-20251(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 62× in last 7d / 306× 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 306 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2017-20251?
CVE-2017-20251 is a critical vulnerability published on June 9, 2026. WordPress Insert PHP plugin versions before 3.3.1 contain a PHP code injection vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by injecting malicious shortcodes through the WordPress REST API. Attackers can send POST requests to the wp-json/wp/v2/posts endpoint…
When was CVE-2017-20251 disclosed?
CVE-2017-20251 was first published in the National Vulnerability Database on June 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-20251 actively exploited?
CVE-2017-20251 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-20251?
CVE-2017-20251 has a CVSS v4.0 base score of 9.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2017-20251?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-20251, 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

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