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Not in CISA KEV
LOW severity

CVE-2025-12918 — skuul

LOW

CVE-2025-12918 is a low-severity (CVSS 3.1) CWE-99 vulnerability in yungifez/skuul. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Skuul School Management System has an Insecure Direct Object Reference (IDOR) Vulnerability in View Fee Invoice

Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.

Exploitation and automatability from CISA’s SSVC triage for CVE-2025-12918.

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs35th percentile — riskier than 35% of all scored CVEsHighest risk
0.00%0.30%0.60%0.91%0.0%0.4%May 26Aug 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘yungifez/skuul

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

A security flaw has been discovered in yungifez Skuul School Management System up to 2.6.5. The impacted element is an unknown function of the file /dashboard/fees/fee-invoices/ of the component View Fee Invoice. Performing manipulation of the argument invoice_id results in improper control of resource identifiers. Remote exploitation of the attack is possible. The attack is considered to have high complexity. The exploitability is regarded as difficult. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐘Packagistyungifez/skuulall versionsNo fix

Affected Products

1 product · 1 configurations
Application
skuulyungifez
≤ 2.6.5
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for yungifez/skuul, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of yungifez/skuul for CVE-2025-12918. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

A security flaw has been discovered in yungifez Skuul School Management System up to 2.6.5. The impacted element is an unknown function of the file /dashboard/fees/fee-invoices/ of the component View Fee Invoice. Performing manipulation of the argument invoice_id results in improper control of resource identifiers. Remote exploitation of the attack is possible. The attack is considered to have high complexity. The exploitability is regarded as difficult. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in
O3 Security · Impact-Aware SCA

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CVE-2025-12918: skuul (Low 3.1)