CVE-2022-42888

CRITICALNVD 9.89.8
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.8% (53rd percentile of EPSS-scored CVEs). GitHub Security Advisory CVSS 8.8 is lower than this score; a lower GitHub score revises it only when its advisory is newer than the CVE record's last change, and this advisory (published 2022-12-06) is not newer than that change (2024-11-21), so it does not.

Triggered by: Headline CVSS from NVD CVSS v3
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3
9.8EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.8%CVSS: 9.8Exploit: None knownExposed services: Not assessed

Update to 5.6 or higher version (from the CVE record's solution, Patchstack) — apply it.

Unauth. Privilege Escalation vulnerability in ARMember premium plugin <= 5.5.1 on WordPress.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
59
EG Risk 59/100

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 (value × EchelonGraph’s weight)
Severity98% × 45%
The EG Score, 9.8 of 10.
Exploitation0.8% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: Update to 5.6 or higher version (from the CVE record's solution, Patchstack). Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.8%
EPSS %ILE
53rd
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Attend at high (mission-essential systems).

Update to 5.6 or higher version (from the CVE record's solution, Patchstack). Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)3 days if the affected system is publicly exposed; 60 days if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

December 6, 2022

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Oct 10, 2026
Fix named in the CVE record's solution (Patchstack).
Web page

Privilege Escalation in WordPress ARMember Premium Plugin - Patchstack

https://patchstack.com/database/vulnerability/armember/wordpress-armember-premium-plugin-5-5-1-unauth-privilege-escalation-vulnerability?_s_id=cve

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 27× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 87 of 164 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 13 repeat rows among the latest 100 are merged into the row they repeat. The 77 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-11 22:09 UTCEG score recompute
  2. 2026-10-11 13:44 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
  3. 2026-10-10 19:57 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
  4. 2026-10-09 20:04 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
  5. 2026-10-08 17:05 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
  6. 2026-10-07 23:45 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
  7. 2026-10-06 15:14 UTCEPSS rescoreEPSS 0.8% · 53rd percentile
  8. 2026-10-05 17:40 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  9. 2026-10-04 23:19 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  10. 2026-10-03 14:23 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  11. 2026-10-02 16:23 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  12. 2026-10-01 19:47 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  13. 2026-09-30 16:07 UTCEG score recompute
  14. 2026-09-30 15:01 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  15. 2026-09-29 15:16 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  16. 2026-09-28 13:48 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  17. 2026-09-27 13:42 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  18. 2026-09-26 15:55 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  19. 2026-09-26 00:22 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  20. 2026-09-23 13:45 UTCEPSS rescoreEPSS 0.7% · 52nd percentile
  21. 2026-09-20 20:13 UTCEPSS rescoreEPSS 0.7% · 52nd percentile
  22. 2026-09-19 15:38 UTCEPSS rescoreEPSS 0.7% · 52nd percentile
  23. 2026-09-16 14:05 UTCEPSS rescoreEPSS 0.7% · 51st percentile
  24. 2026-09-16 05:10 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  25. 2026-09-15 03:07 UTCEPSS rescoreEPSS 0.7% · 50th percentile
Show 62 more
  1. 2026-09-13 16:44 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  2. 2026-09-12 14:57 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  3. 2026-09-11 14:50 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  4. 2026-09-11 09:33 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  5. 2026-09-08 21:57 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  6. 2026-09-07 15:58 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  7. 2026-09-06 13:45 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  8. 2026-09-05 15:25 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  9. 2026-09-04 13:57 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  10. 2026-09-04 05:04 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  11. 2026-09-02 14:09 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  12. 2026-09-01 13:51 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  13. 2026-08-30 19:14 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  14. 2026-08-30 01:19 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  15. 2026-08-28 21:38 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  16. 2026-08-27 14:22 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  17. 2026-08-26 14:43 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  18. 2026-08-25 13:46 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  19. 2026-08-24 14:13 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  20. 2026-08-23 00:17 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  21. 2026-08-21 23:46 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  22. 2026-08-20 22:53 UTCEPSS rescoreEPSS 0.7% · 50th percentile
  23. 2026-08-19 17:01 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  24. 2026-08-18 13:45 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  25. 2026-08-17 13:44 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  26. 2026-08-16 14:53 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  27. 2026-08-16 02:12 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  28. 2026-08-15 01:27 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  29. 2026-08-13 21:58 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  30. 2026-08-12 13:48 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  31. 2026-08-11 13:39 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  32. 2026-08-09 13:44 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  33. 2026-08-08 16:34 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  34. 2026-08-07 16:24 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  35. 2026-08-06 13:44 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  36. 2026-08-05 19:15 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  37. 2026-08-04 15:07 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  38. 2026-08-04 10:35 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  39. 2026-08-03 10:33 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  40. 2026-08-02 02:24 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  41. 2026-08-01 04:13 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  42. 2026-07-30 16:25 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  43. 2026-07-30 01:28 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  44. 2026-07-28 15:34 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  45. 2026-07-26 14:52 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  46. 2026-07-25 14:15 UTCEPSS rescoreEPSS 0.7% · 49th percentile
  47. 2026-07-24 14:15 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  48. 2026-07-23 14:16 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  49. 2026-07-23 02:14 UTCEG score recompute
  50. 2026-07-22 23:02 UTCEG score recompute▲ 1.00
  51. 2026-07-22 14:06 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  52. 2026-07-21 15:23 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  53. 2026-07-20 17:05 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  54. 2026-07-19 14:29 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  55. 2026-07-19 02:27 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  56. 2026-07-18 10:03 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  57. 2026-07-15 16:56 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  58. 2026-07-15 01:58 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  59. 2026-07-13 22:28 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  60. 2026-07-13 06:11 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  61. 2026-07-12 05:44 UTCEPSS rescoreEPSS 0.7% · 48th percentile
  62. 2026-07-11 08:25 UTCEPSS rescoreEPSS 0.7% · 48th percentile

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Frequently asked(5)

What is CVE-2022-42888?
CVE-2022-42888 is a critical-severity vulnerability; its CVE record was published on December 6, 2022. Unauth. Privilege Escalation vulnerability in ARMember premium plugin <= 5.5.1 on WordPress.
When was CVE-2022-42888 made public?
CVE-2022-42888 was made public on December 1, 2022: that is the date its CVE record's CNA, Patchstack, gives for when the vulnerability was made public. The CVE record itself was published on December 6, 2022. EchelonGraph's copy of the record carries a last-modified date of November 21, 2024; the record at its source may have been updated since.
Is CVE-2022-42888 actively exploited?
CVE-2022-42888 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.8% probability of exploitation in the next 30 days (53rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2022-42888?
CVE-2022-42888 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-42888?
The CVE record's solution for CVE-2022-42888, written by its CNA Patchstack, names the fix: "Update to 5.6 or higher version."

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