A vulnerability classified as critical has been found in SourceCodester Simple Company Website 1.0. This affects an unknown part of the file /classes/Login.php. The manipulation of the argument Username leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
CVE-2025-6871
CRITICALNVD 9.89.8—Elevated
EchelonGraph scoreMEDIUM confidence
This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 63% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EG Risk
- 75(Attend)EG Risk 75/100SSVC: Attend
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 computedSeverity98% × 45%Exploitation40% × 40%Automatability100% × 15%Action: Remediate soon — notable exploitation risk. - EPSS PROB
- 1%
- EPSS %ILE
- 43%
- KEV
- Not listed
Published
June 29, 2025
Last Modified
June 17, 2026
References (5)
- cna@vuldbhttps://github.com/ez-lbz/poc/issues/27
- cna@vuldbhttps://vuldb.com/?ctiid.314343
- cna@vuldbhttps://vuldb.com/?id.314343
- cna@vuldbhttps://vuldb.com/?submit.603641
- cna@vuldbhttps://www.sourcecodester.com/
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Frequently asked(5)
What is CVE-2025-6871?
CVE-2025-6871 is a critical vulnerability published on June 29, 2025. A vulnerability classified as critical has been found in SourceCodester Simple Company Website 1.0. This affects an unknown part of the file /classes/Login.php. The manipulation of the argument Username leads to sql injection. It is possible to initiate the attack remotely. The exploit has been…
When was CVE-2025-6871 disclosed?
CVE-2025-6871 was first published in the National Vulnerability Database on June 29, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-6871 actively exploited?
CVE-2025-6871 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.3% of all scored CVEs.
What is the CVSS score of CVE-2025-6871?
CVE-2025-6871 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2025-6871?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-6871, 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
Explore the affected products and dependency analysis for CVE-2025-6871
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