CVE-2026-9833

HIGHPre-NVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-20. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: Elevated riskExposed: 0

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

The Tag Groups is the Advanced Way to Display Your Taxonomy Terms WordPress plugin before 2.2.0 does not properly escape one of its AJAX parameters before reflecting it in the response body served with an HTML content type, allowing unauthenticated attackers to execute arbitrary JavaScript in the browser of a logged-in user with edit_pages capability (Editor or higher) who is tricked into following a crafted link.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
48(Track)
EG Risk 48/100SSVC: 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
Severity71% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

July 20, 2026

Last Modified

July 20, 2026

Advisory Details (1)

Auto-updated Jul 20, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Tag Groups < 2.2.0 – Reflected XSS via 'tag_groups_task' Parameter | CVE 2026-9833 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/75792c33-2d9d-46db-a98c-00ec40951099/

Vendor Advisories for CVE-2026-9833(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 19× in last 7d / 105× 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 403 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-9833?
CVE-2026-9833 is a high vulnerability published on July 20, 2026. The Tag Groups is the Advanced Way to Display Your Taxonomy Terms WordPress plugin before 2.2.0 does not properly escape one of its AJAX parameters before reflecting it in the response body served with an HTML content type, allowing unauthenticated attackers to execute arbitrary JavaScript in the…
When was CVE-2026-9833 disclosed?
CVE-2026-9833 was first published in the National Vulnerability Database on July 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9833 actively exploited?
CVE-2026-9833 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 79.8% of all scored CVEs.
What is the CVSS score of CVE-2026-9833?
CVE-2026-9833 has a CVSS v3.1 base score of 7.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-9833?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9833, 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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