CVE-2017-20251

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-09. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
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: 1%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 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(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
1%
EPSS %ILE
44%
KEV
Not listed

Published

June 9, 2026

Last Modified

July 21, 2026

Advisory Details (3)

Auto-updated Aug 22, 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🟡 PoC Available

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

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

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

https://fr.wordpress.org/plugins/insert-php/

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 11× in last 7d / 142× 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 380 total refreshes for this CVE.

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

Related CVEs(same CWE)

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, with the most recent update on July 21, 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 1% probability of exploitation in the next 30 days, which ranks it in the top 56.0% of all scored CVEs.
What is the CVSS score of CVE-2017-20251?
CVE-2017-20251 has a CVSS v3 base score of 9.8 (NVD).
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.

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