CVE-2026-15149

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-08-07. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

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

The WP Hotel Booking WordPress plugin before 2.3.3 does not ensure that room quantities and the resulting order total are non-negative when placing a booking, and relies on client-controlled cart data, allowing unauthenticated users to create confirmed reservations for free or at an arbitrarily reduced price.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
55(Attend)
EG Risk 55/100SSVC: Attend

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
Severity53% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

August 6, 2026

Last Modified

August 7, 2026

Advisory Details (1)

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

WP Hotel Booking < 2.3.3 – Unauthenticated Payment Bypass via Price Manipulation | CVE 2026-15149 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/9c1df017-dfa5-43c4-b31e-43c9315edab1/

Vendor Advisories for CVE-2026-15149(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 20× in last 7d / 42× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 22:49 UTCGHSA enrichment
  3. 2026-08-19 22:15 UTCEG score recompute
  4. 2026-08-19 22:15 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-18 21:41 UTCEG score recompute
  7. 2026-08-18 21:41 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 21:07 UTCEG score recompute
  10. 2026-08-17 21:07 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-16 20:34 UTCEG score recompute
  13. 2026-08-16 20:34 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 02:14 UTCEPSS rescore
  16. 2026-08-15 20:01 UTCEG score recompute
  17. 2026-08-15 20:01 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-14 19:27 UTCEG score recompute
  20. 2026-08-14 19:27 UTCGHSA enrichment
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-13 18:53 UTCGHSA enrichment
  23. 2026-08-12 18:20 UTCEG score recompute
  24. 2026-08-12 18:20 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 17 more
  1. 2026-08-11 17:46 UTCEG score recompute
  2. 2026-08-11 17:46 UTCGHSA enrichment
  3. 2026-08-11 13:42 UTCEPSS rescore
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 17:08 UTCGHSA enrichment
  6. 2026-08-09 16:34 UTCEG score recompute
  7. 2026-08-09 16:34 UTCGHSA enrichment
  8. 2026-08-09 13:46 UTCEPSS rescore
  9. 2026-08-08 16:37 UTCEPSS rescore
  10. 2026-08-08 16:01 UTCEG score recompute
  11. 2026-08-08 16:01 UTCGHSA enrichment
  12. 2026-08-07 15:27 UTCEG score recompute
  13. 2026-08-07 15:27 UTCGHSA enrichment
  14. 2026-08-07 14:38 UTCEG score recompute
  15. 2026-08-07 14:38 UTCGHSA enrichment
  16. 2026-08-06 22:17 UTCEG score recompute
  17. 2026-08-06 22:15 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15149?
CVE-2026-15149 is a medium vulnerability published on August 6, 2026. The WP Hotel Booking WordPress plugin before 2.3.3 does not ensure that room quantities and the resulting order total are non-negative when placing a booking, and relies on client-controlled cart data, allowing unauthenticated users to create confirmed reservations for free or at an arbitrarily…
When was CVE-2026-15149 disclosed?
CVE-2026-15149 was first published in the National Vulnerability Database on August 6, 2026, with the most recent update on August 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15149 actively exploited?
CVE-2026-15149 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 85.1% of all scored CVEs.
What is the CVSS score of CVE-2026-15149?
CVE-2026-15149 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-15149?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15149, 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-2026-15149

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