CVE-2026-11900

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-07-03. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to and including 2.8.16 via the 'data' attribute of the [adinserter] shortcode. This is due to the replace_ai_tags() function processing a {reusable-block-N} tag pattern that calls get_post_field('post_content', N) without verifying the requesting user's capability with current_user_can('read_post'), without restricting the post type to 'wp_block', and without checking the post status. This makes it possible for authenticated attackers, with Contributor-level access and above, to read the full content of arbitrary posts including Private, Draft, Pending, Trashed, and password-protected posts owned by other users, by placing the shortcode in a post they own and previewing it.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
20(Track)
EG Risk 20/100SSVC: Track

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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
KEV
Not listed

Published

July 3, 2026

Last Modified

July 7, 2026

References (10)

Vendor Advisories for CVE-2026-11900(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 15× in last 7d / 81× 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 129 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-11900?
CVE-2026-11900 is a medium vulnerability published on July 3, 2026. The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to and including 2.8.16 via the 'data' attribute of the [adinserter] shortcode. This is due to the replaceaitags() function processing a {reusable-block-N} tag pattern…
When was CVE-2026-11900 disclosed?
CVE-2026-11900 was first published in the National Vulnerability Database on July 3, 2026, with the most recent update on July 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11900 actively exploited?
CVE-2026-11900 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 62.4% of all scored CVEs.
What is the CVSS score of CVE-2026-11900?
CVE-2026-11900 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-11900?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11900, 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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