CVE-2026-15152

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 2.3.2 does not verify that a payment notification corresponds to a payment made to the site's own merchant account, nor that the paid amount matches the booking total, allowing unauthenticated users to have their bookings marked as fully paid without any payment reaching the site owner.

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
3%
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 < 2.3.2 – Unauthenticated PayPal Payment Bypass | CVE 2026-15152 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/e2435361-0a2a-4914-b4d8-7fb28386c4d3/

Vendor Advisories for CVE-2026-15152(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 23× in last 7d / 47× 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 02:02 UTCEG score recompute
  2. 2026-08-21 02:02 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 02:57 UTCEG score recompute
  5. 2026-08-20 02:57 UTCGHSA enrichment
  6. 2026-08-19 17:03 UTCEPSS rescore
  7. 2026-08-19 03:53 UTCEG score recompute
  8. 2026-08-19 03:53 UTCGHSA enrichment
  9. 2026-08-18 13:48 UTCEPSS rescore
  10. 2026-08-18 04:49 UTCEG score recompute
  11. 2026-08-18 04:49 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-17 05:45 UTCEG score recompute
  14. 2026-08-17 05:45 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 06:03 UTCEG score recompute
  17. 2026-08-16 06:03 UTCGHSA enrichment
  18. 2026-08-16 02:14 UTCEPSS rescore
  19. 2026-08-15 07:00 UTCEG score recompute
  20. 2026-08-15 07:00 UTCGHSA enrichment
  21. 2026-08-15 01:30 UTCEPSS rescore
  22. 2026-08-14 07:56 UTCEG score recompute
  23. 2026-08-14 07:56 UTCGHSA enrichment
  24. 2026-08-13 22:00 UTCEPSS rescore
  25. 2026-08-13 08:52 UTCEG score recompute
Show 22 more
  1. 2026-08-13 08:52 UTCGHSA enrichment
  2. 2026-08-12 13:50 UTCEPSS rescore
  3. 2026-08-12 09:48 UTCEG score recompute
  4. 2026-08-12 09:48 UTCGHSA enrichment
  5. 2026-08-11 13:42 UTCEPSS rescore
  6. 2026-08-11 10:43 UTCEG score recompute
  7. 2026-08-11 10:43 UTCGHSA enrichment
  8. 2026-08-11 00:00 UTCEPSS rescore
  9. 2026-08-10 11:39 UTCEG score recompute
  10. 2026-08-10 11:39 UTCGHSA enrichment
  11. 2026-08-09 13:46 UTCEPSS rescore
  12. 2026-08-09 12:35 UTCEG score recompute
  13. 2026-08-09 12:35 UTCGHSA enrichment
  14. 2026-08-08 16:37 UTCEPSS rescore
  15. 2026-08-08 13:31 UTCEG score recompute
  16. 2026-08-08 13:31 UTCGHSA enrichment
  17. 2026-08-07 14:26 UTCEG score recompute
  18. 2026-08-07 14:26 UTCGHSA enrichment
  19. 2026-08-07 14:13 UTCEG score recompute
  20. 2026-08-07 14:13 UTCGHSA enrichment
  21. 2026-08-06 22:17 UTCEG score recompute
  22. 2026-08-06 22:15 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-15152?
CVE-2026-15152 is a medium vulnerability published on August 6, 2026. The WP Hotel Booking WordPress plugin before 2.3.2 does not verify that a payment notification corresponds to a payment made to the site's own merchant account, nor that the paid amount matches the booking total, allowing unauthenticated users to have their bookings marked as fully paid without any…
When was CVE-2026-15152 disclosed?
CVE-2026-15152 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-2026-15152 actively exploited?
CVE-2026-15152 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 97.4% of all scored CVEs.
What is the CVSS score of CVE-2026-15152?
CVE-2026-15152 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-15152?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15152, 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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