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 products
yungifez: skuul
References8
- gist.github.com/thezeekhan/fbfa9a7dbc0b0b81fd868ee166839041 ExploitThird Party Advisory
- gist.github.com/thezeekhan/fbfa9a7dbc0b0b81fd868ee166839041#ste… ExploitThird Party Advisory
- vuldb.com/?submit.680686 ExploitThird Party AdvisoryVDB Entry
- gist.github.com/thezeekhan/fbfa9a7dbc0b0b81fd868ee166839041 ExploitThird Party Advisory
- gist.github.com/thezeekhan/fbfa9a7dbc0b0b81fd868ee166839041#ste… ExploitThird Party Advisory
- vuldb.com/?submit.680686 ExploitThird Party AdvisoryVDB Entry
- vuldb.com/?ctiid.331636 Permissions RequiredVDB Entry
- vuldb.com/?id.331636 Third Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
5.3
MEDIUM
Score source: NVD
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 4.0
-
1.3
LOW
Score source: CNA
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 35 · as of 10 November 2026
- CWE
- CWE-99CWE-639
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.