CVE-2025-12126

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2025-11-11. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.4Exploit: NoneExposed: 0

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

The The Total Book Project plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.0 via several functions due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Contributor-level access and above, to perform several actions like moving/deleting/creating chapters in books that do not belong to them.

CVSS v3
5.4
EG Score
5.4(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
9.3%
KEV
Not listed

Published

November 11, 2025

Last Modified

April 15, 2026

References (3)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 43× 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.

Showing the most recent 100 of 119 total refreshes for this CVE.

  1. 2026-07-23 14:17 UTCEPSS rescore
  2. 2026-07-23 02:48 UTCEG score recompute
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-12126?
CVE-2025-12126 is a medium vulnerability published on November 11, 2025. The The Total Book Project plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.0 via several functions due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Contributor-level access and…
When was CVE-2025-12126 disclosed?
CVE-2025-12126 was first published in the National Vulnerability Database on November 11, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-12126 actively exploited?
CVE-2025-12126 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-12126?
CVE-2025-12126 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2025-12126?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-12126, 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.

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