CVE-2026-11887

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-07-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

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

The Salon Booking System WordPress plugin before 10.30.20 does not have proper authorisation checks on one of its AJAX actions, allowing any authenticated user, such as a subscriber, to modify a Salon Booking System WordPress plugin before 10.30.20 setting and bypass the manual approval of new bookings.

CVSS v3
4.3
EG Score
4.3(high)
EPSS
7.5%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 1, 2026

Advisory Details (1)

Auto-updated Jul 1, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Salon Booking System < 10.30.20 – Subscriber+ Booking Approval Bypass | CVE 2026-11887 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/ed203765-0482-4d55-b36f-cdab11ed3cf0/

Vendor Advisories for CVE-2026-11887(1)

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

Data Freshness Timeline

(refreshed 17× in last 7d / 17× 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. 2026-07-07 07:27 UTCEG score recompute
  2. 2026-07-07 07:27 UTCGHSA enrichment
  3. 2026-07-06 06:26 UTCEG score recompute
  4. 2026-07-06 06:26 UTCGHSA enrichment
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-05 05:24 UTCEG score recompute
  7. 2026-07-05 05:24 UTCGHSA enrichment
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-05 02:30 UTCEPSS rescore
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-04 04:22 UTCEG score recompute▲ 4.30
  12. 2026-07-04 04:22 UTCGHSA enrichment
  13. 2026-07-01 15:06 UTCEPSS rescore
  14. 2026-07-01 15:06 UTCEPSS rescore
  15. 2026-07-01 11:23 UTCNVD updateCVSS v3 → 4.3 · severity → MEDIUM
  16. 2026-07-01 07:22 UTCEG score recompute
  17. 2026-07-01 07:21 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-11887?
CVE-2026-11887 is a medium vulnerability published on July 1, 2026. The Salon Booking System WordPress plugin before 10.30.20 does not have proper authorisation checks on one of its AJAX actions, allowing any authenticated user, such as a subscriber, to modify a Salon Booking System WordPress plugin before 10.30.20 setting and bypass the manual approval of new…
When was CVE-2026-11887 disclosed?
CVE-2026-11887 was first published in the National Vulnerability Database on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11887 actively exploited?
CVE-2026-11887 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11887?
CVE-2026-11887 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-11887?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11887, 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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