SourceCodester Online Leave Management System Employee Avatar Upload Extension Master.php cross site scripting
CVSS score
4.8
EPSS probability
—
Risk score
0.5
Published
1 d ago
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
1
Source agreement
Tam uyum
Evidence confidence
%55
Short explanation
Manipulating the employee avatar filename in Master.php triggers a cross‑site scripting (XSS) flaw that can be exploited remotely. A public PoC is available. Patch status is UNKNOWN.
Remote XSS enables attackers to run arbitrary code in a user’s browser, leading to session hijacking, data theft, or page defacement.
What should be done?
- Watch for vendor‑released patches and apply them promptly
- Add server‑side validation and sanitization of uploaded filenames
- Enforce a Content Security Policy to limit script execution
- Log and audit avatar upload events for anomalies
Chain of evidence and sources
CVE-2026-124570, SourceCodester Online Leave Management System 1.0’da Master.php dosyasındaki Employee Avatar Upload uzantısında çapraz site betiği (XSS) açığı içerir.
Bu açığın uzaktan istismar edilmesi mümkündür; saldırgan dosya adı parametresine kötü amaçlı değer enjekte edebilir.
Açığın istismarına yönelik bir kanıt (PoC) kamuya açıktır.
CVSS v4.0 skoru 4.8 (MEDIUM) olarak rapor edilmiştir.
Yama durumu resmi kaynaklarda doğrulanamadı; durum UNKNOWN olarak değerlendirilmiştir.
CVE, CWE‑79 (XSS) ve CWE‑94 (İşlemci Enjeksiyonu) ile ilişkilendirilmiştir.
Show the technical text from the sources
A vulnerability was detected in SourceCodester Online Leave Management System 1.0. Affected is an unknown function of the file app/classes/Master.php of the component Employee Avatar Upload Extension. Performing a manipulation of the argument employee avatar filename results in cross site scripting. Remote exploitation of the attack is possible. The exploit is now public and may be used.
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CWE: CWE-79, CWE-94
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-124570 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | SourceCodester | Online Leave Management System | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 4.8 | CVSS V4_0 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P | CVE CNA |
| 3.3 | CVSS V2_0 | — | AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:C | CVE CNA |
| 3.3 | CVSS V2 | — | AV:N/AC:L/Au:M/C:N/I:P/A:N | NVD |
| 2.4 | CVSS V3_1 | LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C | CVE CNA |
| 2.4 | CVSS V3_0 | LOW | CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C | CVE CNA |
| 2.4 | CVSS V31 | LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N | NVD |
| 1.9 | CVSS V40 | LOW | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/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 | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-124570 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-124570 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
CVSS Vector Radar Chart
4.8 / 10Vulnerability Scoring Details
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:PYama durumu bilinmiyor
Weakness Type (CWE & CAPEC)
Similar Vulnerabilities
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