CVE-2016-7405

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 3.1%, top 13% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

The qstr method in the PDO driver in the ADOdb Library for PHP before 5.x before 5.20.7 might allow remote attackers to conduct SQL injection attacks via vectors related to incorrect quoting.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
85.7%
KEV
Not listed

Published

October 3, 2016

Last Modified

May 6, 2026

Advisory Details (8)

Auto-updated May 9, 2026
No patch confirmed yet.
generic

oss-security - Re: ADOdb PDO driver: incorrect quoting may allow SQL injection

http://www.openwall.com/lists/oss-security/2016/09/15/1
generic

oss-security - ADOdb PDO driver: incorrect quoting may allow SQL injection

http://www.openwall.com/lists/oss-security/2016/09/07/8
generic

ADOdb: Multiple vulnerabilities (GLSA 201701-59) — Gentoo security

https://security.gentoo.org/glsa/201701-59
generic

[SECURITY] Fedora 25 Update: php-adodb-5.20.6-2.fc25 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LT3WU77BRUJREZUYQ3ZQBMUIVIVIND4Y/
generic

CVE-2016-7405: ADOdb qstr() method does not quote properly with PDO · Issue #226 · ADOdb/ADOdb · GitHub

https://github.com/ADOdb/ADOdb/issues/226
generic

PDO: fix incorrect quoting allowing SQL injection · ADOdb/ADOdb@bd9eca9 · GitHub

https://github.com/ADOdb/ADOdb/commit/bd9eca9f40220f9918ec3cc7ae9ef422b3e448b8
generic

ADOdb/docs/changelog.md at v5.20.7 · ADOdb/ADOdb · GitHub

https://github.com/ADOdb/ADOdb/blob/v5.20.7/docs/changelog.md
generic
http://www.securityfocus.com/bid/92969

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibphp-adodb (5.20.3-1ubuntu1+esm1) @ xenial2026-05-20ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
adodb/adodb-phpv5.19 ... v5.20.6 (8 versions)5.20.7—

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 37× 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.

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

Frequently asked(5)

What is CVE-2016-7405?
CVE-2016-7405 is a critical vulnerability published on October 3, 2016. The qstr method in the PDO driver in the ADOdb Library for PHP before 5.x before 5.20.7 might allow remote attackers to conduct SQL injection attacks via vectors related to incorrect quoting.
When was CVE-2016-7405 disclosed?
CVE-2016-7405 was first published in the National Vulnerability Database on October 3, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-7405 actively exploited?
CVE-2016-7405 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-7405?
CVE-2016-7405 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-7405?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-7405, 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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