CVE-2021-43141

Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Simple Subscription Website 1.0 via the id parameter in plan_application.

CVSS v3.1

6.1 MEDIUM

EPSS

1.44%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

EPSS Trend

Aug 16, 2026 → Aug 28, 2026

▲ 0.05pp

1.40% → 1.44% over 2 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

ScopeCHANGED

ConfidentialityLOW

IntegrityLOW

AvailabilityNONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Connections

2 relationships

Timeline

disclosure → media coverage

Nov 3, 2021

Disclosure — published as a CVE record. · last revised by NVD Feb 24, 2025

Public PoC (1)

Unverified third-party code — review before executing.