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CVE-2026-81342mediumCWE-601

MasterStudy LMS < 3.7.43 - Unauthenticated Open Redirect

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 4.7epss 0.3%
exploitation probability
0.3%top 81% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.43 does not validate a redirect parameter supplied during user registration before using it, allowing unauthenticated attackers to redirect users to arbitrary external URLs.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.