CVE-2026-83544

MEDIUMPre-NVD 6.86.8—
EchelonGraph scoreHIGH confidence

Score 6.8 from GitHub Security Advisory published 2026-09-05. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.8Exploit: None knownExposed: 0

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

The Greenshift WordPress plugin before 13.2.0 does not properly escape a block animation attribute before outputting it within an HTML attribute, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when the content is viewed.

CVSS v3
6.8
EG Score
6.8(high)
EG Risk
31(Track)
EG Risk 31/100SSVC: 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
Severity68% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

September 5, 2026

Last Modified

September 8, 2026

Advisory Details (1)

Auto-updated Sep 6, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Greenshift < 13.2.0 – Contributor+ Stored XSS via Block Animation customProps Attribute | CVE 2026-83544 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/f2bd202b-43fc-4ca7-9bab-649ed87e7cbd/

Vendor Advisories for CVE-2026-83544(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 20× in last 7d / 61× 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 01:38 UTCEG score recompute
  2. 2026-09-25 01:38 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 02:44 UTCEG score recompute
  5. 2026-09-24 02:44 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-23 03:51 UTCEG score recompute
  8. 2026-09-23 03:51 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-22 04:57 UTCEG score recompute
  11. 2026-09-22 04:57 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 06:03 UTCEG score recompute
  14. 2026-09-21 06:03 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-20 07:09 UTCEG score recompute
  17. 2026-09-20 07:09 UTCGHSA enrichment
  18. 2026-09-19 07:46 UTCEG score recompute
  19. 2026-09-19 07:46 UTCGHSA enrichment
  20. 2026-09-18 19:28 UTCEPSS rescore
  21. 2026-09-18 08:53 UTCEG score recompute
  22. 2026-09-18 08:53 UTCGHSA enrichment
  23. 2026-09-17 19:32 UTCEPSS rescore
  24. 2026-09-17 09:59 UTCEG score recompute
  25. 2026-09-17 09:59 UTCGHSA enrichment
Show 36 more
  1. 2026-09-16 14:09 UTCEPSS rescore
  2. 2026-09-16 11:06 UTCEG score recompute
  3. 2026-09-16 11:06 UTCGHSA enrichment
  4. 2026-09-16 05:15 UTCEPSS rescore
  5. 2026-09-15 12:12 UTCEG score recompute
  6. 2026-09-15 12:12 UTCGHSA enrichment
  7. 2026-09-15 03:12 UTCEPSS rescore
  8. 2026-09-15 03:12 UTCEPSS rescore
  9. 2026-09-14 13:18 UTCEG score recompute
  10. 2026-09-14 13:18 UTCGHSA enrichment
  11. 2026-09-13 14:24 UTCGHSA enrichment
  12. 2026-09-12 15:31 UTCEG score recompute
  13. 2026-09-12 15:31 UTCGHSA enrichment
  14. 2026-09-11 16:37 UTCEG score recompute
  15. 2026-09-11 16:37 UTCGHSA enrichment
  16. 2026-09-11 14:53 UTCEPSS rescore
  17. 2026-09-11 14:53 UTCEPSS rescore
  18. 2026-09-10 17:43 UTCEG score recompute
  19. 2026-09-10 17:43 UTCGHSA enrichment
  20. 2026-09-09 18:49 UTCEG score recompute
  21. 2026-09-09 18:49 UTCGHSA enrichment
  22. 2026-09-08 22:01 UTCEPSS rescore
  23. 2026-09-08 19:55 UTCGHSA enrichment
  24. 2026-09-08 09:58 UTCEG score recompute
  25. 2026-09-08 09:58 UTCGHSA enrichment
  26. 2026-09-07 10:17 UTCEG score recompute
  27. 2026-09-07 10:17 UTCGHSA enrichment
  28. 2026-09-06 13:48 UTCEPSS rescore
  29. 2026-09-06 11:22 UTCGHSA enrichment
  30. 2026-09-06 10:45 UTCEG score recompute▲ 6.80
  31. 2026-09-06 10:45 UTCGHSA enrichment
  32. 2026-09-06 10:44 UTCMITRE cvelistV5CVSS v3 → 6.8 · severity → MEDIUM
  33. 2026-09-05 15:31 UTCEPSS rescore
  34. 2026-09-05 07:23 UTCNVD update
  35. 2026-09-05 06:35 UTCEG score recompute
  36. 2026-09-05 06:33 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-83544?
CVE-2026-83544 is a medium vulnerability published on September 5, 2026. The Greenshift WordPress plugin before 13.2.0 does not properly escape a block animation attribute before outputting it within an HTML attribute, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when the content is viewed.
When was CVE-2026-83544 disclosed?
CVE-2026-83544 was first published in the National Vulnerability Database on September 5, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-83544 actively exploited?
CVE-2026-83544 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 65.4% of all scored CVEs.
What is the CVSS score of CVE-2026-83544?
CVE-2026-83544 has a CVSS v3.1 base score of 6.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-83544?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-83544, 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

Explore the affected products and dependency analysis for CVE-2026-83544

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