CVE-2016-20071

HIGHPre-NVD 8.28.2
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-06-15. the CNA's CVSS baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this weekElevated
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: Elevated riskExposed: 0

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

The 404 Redirection Manager plugin version 1.0 for WordPress contains an unauthenticated SQL injection vulnerability that allows remote attackers to execute arbitrary SQL queries by injecting malicious code through unsanitized user input. Attackers can craft GET requests with SQL injection payloads to manipulate database queries and extract sensitive information from the WordPress database.

CVSS v3
8.2
EG Score
8.2(medium)
EG Risk
68(Attend)
EG Risk 68/100SSVC: 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
Severity82% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

June 15, 2026

Last Modified

July 28, 2026

Advisory Details (2)

Auto-updated Jun 15, 2026
No patch confirmed yet.
generic

WordPress 404 Redirection Manager Plugin 1.0 SQL Injection | Advisories | VulnCheck

https://www.vulncheck.com/advisories/wordpress-404-redirection-manager-plugin-sql-injection
generic

404 SEO Redirection – WordPress plugin | WordPress.org

https://wordpress.org/plugins/404-redirection-manager/

Vendor Advisories for CVE-2016-20071(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 6× in last 7d / 35× 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 230 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2016-20071?
CVE-2016-20071 is a high vulnerability published on June 15, 2026. The 404 Redirection Manager plugin version 1.0 for WordPress contains an unauthenticated SQL injection vulnerability that allows remote attackers to execute arbitrary SQL queries by injecting malicious code through unsanitized user input. Attackers can craft GET requests with SQL injection payloads…
When was CVE-2016-20071 disclosed?
CVE-2016-20071 was first published in the National Vulnerability Database on June 15, 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-2016-20071 actively exploited?
CVE-2016-20071 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 77.0% of all scored CVEs.
What is the CVSS score of CVE-2016-20071?
CVE-2016-20071 has a CVSS v4.0 base score of 8.2 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2016-20071?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-20071, 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

Explore the affected products and dependency analysis for CVE-2016-20071

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