CVE-2026-15234

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-08-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: Elevated riskExposed: 0

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

The Codeless Page Builder WordPress plugin through 1.1.4 does not sanitize or validate a shortcode attribute before using it as an HTML tag name when rendering content, allowing users with contributor-level access and above to inject arbitrary HTML and JavaScript that executes in the session of any higher-privileged user (such as an administrator) who views the content.

CVSS v3
5.4
EG Score
5.4(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
Severity54% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

August 1, 2026

Last Modified

August 3, 2026

Advisory Details (1)

Auto-updated Aug 3, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Codeless Page Builder <= 1.1.4 – Contributor+ Stored XSS via Shortcode Attribute | CVE 2026-15234 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/519a69d5-ab6f-449a-ab78-78b68598d37f/

Vendor Advisories for CVE-2026-15234(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 21× in last 7d / 59× 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. 2026-08-21 06:29 UTCEG score recompute
  2. 2026-08-21 06:29 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 05:51 UTCEG score recompute
  5. 2026-08-20 05:51 UTCGHSA enrichment
  6. 2026-08-19 17:03 UTCEPSS rescore
  7. 2026-08-19 05:13 UTCEG score recompute
  8. 2026-08-19 05:13 UTCGHSA enrichment
  9. 2026-08-18 13:48 UTCEPSS rescore
  10. 2026-08-18 04:20 UTCEG score recompute
  11. 2026-08-18 04:19 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-17 03:37 UTCEG score recompute
  14. 2026-08-17 03:37 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 02:59 UTCEG score recompute
  17. 2026-08-16 02:59 UTCGHSA enrichment
  18. 2026-08-16 02:14 UTCEPSS rescore
  19. 2026-08-15 02:20 UTCEG score recompute
  20. 2026-08-15 02:20 UTCGHSA enrichment
  21. 2026-08-15 01:30 UTCEPSS rescore
  22. 2026-08-14 01:42 UTCEG score recompute
  23. 2026-08-14 01:42 UTCGHSA enrichment
  24. 2026-08-13 22:00 UTCEPSS rescore
  25. 2026-08-13 01:03 UTCEG score recompute
Show 34 more
  1. 2026-08-13 01:03 UTCGHSA enrichment
  2. 2026-08-12 13:50 UTCEPSS rescore
  3. 2026-08-12 00:25 UTCEG score recompute
  4. 2026-08-12 00:25 UTCGHSA enrichment
  5. 2026-08-11 13:42 UTCEPSS rescore
  6. 2026-08-11 00:00 UTCEPSS rescore
  7. 2026-08-10 23:47 UTCGHSA enrichment
  8. 2026-08-09 23:09 UTCEG score recompute
  9. 2026-08-09 23:09 UTCGHSA enrichment
  10. 2026-08-09 13:46 UTCEPSS rescore
  11. 2026-08-08 22:31 UTCEG score recompute
  12. 2026-08-08 22:31 UTCGHSA enrichment
  13. 2026-08-08 16:37 UTCEPSS rescore
  14. 2026-08-07 21:52 UTCEG score recompute
  15. 2026-08-07 21:52 UTCGHSA enrichment
  16. 2026-08-06 21:14 UTCEG score recompute
  17. 2026-08-06 21:14 UTCGHSA enrichment
  18. 2026-08-06 13:46 UTCEPSS rescore
  19. 2026-08-05 20:36 UTCEG score recompute
  20. 2026-08-05 20:36 UTCGHSA enrichment
  21. 2026-08-05 19:17 UTCEPSS rescore
  22. 2026-08-04 19:58 UTCEG score recompute
  23. 2026-08-04 19:58 UTCGHSA enrichment
  24. 2026-08-04 15:10 UTCEPSS rescore
  25. 2026-08-04 10:38 UTCEPSS rescore
  26. 2026-08-03 19:19 UTCGHSA enrichment
  27. 2026-08-03 19:04 UTCEG score recompute▲ 5.40
  28. 2026-08-03 19:04 UTCGHSA enrichment
  29. 2026-08-03 19:03 UTCMITRE cvelistV5CVSS v3 → 5.4 · severity → MEDIUM
  30. 2026-08-03 10:35 UTCEPSS rescore
  31. 2026-08-02 02:26 UTCEPSS rescore
  32. 2026-08-01 07:22 UTCNVD update
  33. 2026-08-01 06:46 UTCEG score recompute
  34. 2026-08-01 06:42 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15234?
CVE-2026-15234 is a medium vulnerability published on August 1, 2026. The Codeless Page Builder WordPress plugin through 1.1.4 does not sanitize or validate a shortcode attribute before using it as an HTML tag name when rendering content, allowing users with contributor-level access and above to inject arbitrary HTML and JavaScript that executes in the session of any…
When was CVE-2026-15234 disclosed?
CVE-2026-15234 was first published in the National Vulnerability Database on August 1, 2026, with the most recent update on August 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15234 actively exploited?
CVE-2026-15234 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 96.7% of all scored CVEs.
What is the CVSS score of CVE-2026-15234?
CVE-2026-15234 has a CVSS v3.1 base score of 5.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-15234?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15234, 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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