CVE-2026-81742

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-09-12. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: None knownExposed: 0

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

The BE REST Endpoints WordPress plugin through 1.0.0 does not perform any authorization check before allowing widgets to be read, created, updated and deleted, and does not sanitize the values it stores in them, allowing unauthenticated users to inject arbitrary web scripts which will execute in the browser of any user visiting the site.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
41%
KEV
Not listed

Published

September 12, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 12, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

BE REST Endpoints <= 1.0.0 – Unauthenticated Stored XSS and Widget Manipulation | CVE 2026-81742 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/ea7c371a-3d0b-4e09-9c76-145345ad316b/

Vendor Advisories for CVE-2026-81742(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 26× in last 7d / 55× 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. 2026-09-25 04:23 UTCGHSA enrichment
  2. 2026-09-24 16:42 UTCEG score recompute
  3. 2026-09-24 16:42 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 04:50 UTCEG score recompute
  6. 2026-09-24 04:50 UTCGHSA enrichment
  7. 2026-09-23 17:54 UTCEPSS rescore
  8. 2026-09-23 17:09 UTCGHSA enrichment
  9. 2026-09-23 05:24 UTCGHSA enrichment
  10. 2026-09-22 17:43 UTCEG score recompute
  11. 2026-09-22 17:43 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 05:43 UTCEG score recompute
  14. 2026-09-22 05:43 UTCGHSA enrichment
  15. 2026-09-21 21:09 UTCEPSS rescore
  16. 2026-09-21 18:02 UTCGHSA enrichment
  17. 2026-09-21 06:21 UTCEG score recompute
  18. 2026-09-21 06:21 UTCGHSA enrichment
  19. 2026-09-20 20:16 UTCEPSS rescore
  20. 2026-09-20 18:40 UTCGHSA enrichment
  21. 2026-09-20 06:59 UTCGHSA enrichment
  22. 2026-09-19 19:18 UTCGHSA enrichment
  23. 2026-09-19 07:37 UTCGHSA enrichment
  24. 2026-09-18 19:57 UTCEG score recompute
  25. 2026-09-18 19:57 UTCGHSA enrichment
Show 30 more
  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 08:16 UTCGHSA enrichment
  3. 2026-09-17 20:35 UTCEG score recompute
  4. 2026-09-17 20:35 UTCGHSA enrichment
  5. 2026-09-17 08:54 UTCGHSA enrichment
  6. 2026-09-16 21:13 UTCEG score recompute
  7. 2026-09-16 21:13 UTCGHSA enrichment
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 08:49 UTCEG score recompute
  10. 2026-09-16 08:49 UTCGHSA enrichment
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-15 20:48 UTCGHSA enrichment
  13. 2026-09-15 09:00 UTCEG score recompute
  14. 2026-09-15 09:00 UTCGHSA enrichment
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-14 21:19 UTCGHSA enrichment
  18. 2026-09-14 15:09 UTCGHSA enrichment
  19. 2026-09-14 03:28 UTCEG score recompute
  20. 2026-09-14 03:28 UTCGHSA enrichment
  21. 2026-09-13 15:47 UTCGHSA enrichment
  22. 2026-09-13 04:05 UTCEG score recompute
  23. 2026-09-13 04:04 UTCGHSA enrichment
  24. 2026-09-12 16:23 UTCGHSA enrichment
  25. 2026-09-12 15:44 UTCEG score recompute▲ 8.80
  26. 2026-09-12 15:44 UTCGHSA enrichment
  27. 2026-09-12 15:43 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  28. 2026-09-12 06:20 UTCNVD update
  29. 2026-09-12 06:14 UTCEG score recompute
  30. 2026-09-12 06:13 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81742?
CVE-2026-81742 is a high vulnerability published on September 12, 2026. The BE REST Endpoints WordPress plugin through 1.0.0 does not perform any authorization check before allowing widgets to be read, created, updated and deleted, and does not sanitize the values it stores in them, allowing unauthenticated users to inject arbitrary web scripts which will execute in…
When was CVE-2026-81742 disclosed?
CVE-2026-81742 was first published in the National Vulnerability Database on September 12, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-81742 actively exploited?
CVE-2026-81742 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 59.5% of all scored CVEs.
What is the CVSS score of CVE-2026-81742?
CVE-2026-81742 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-81742?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81742, 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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