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Fencer Intel
medium 6.1

CVE-2020-5750 json

Insufficient output sanitization in TCExam 14.2.2 allows a remote, unauthenticated attacker to conduct persistent cross-site scripting (XSS…

published 6y ago modified 4mo ago also EUVD-2020-26909

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

Insufficient output sanitization in TCExam 14.2.2 allows a remote, unauthenticated attacker to conduct persistent cross-site scripting (XSS) attacks via the self-registration feature.

Patch / fix

Is CVE-2020-5750 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.14% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • tenable.com https://www.tenable.com/security/research/tra-2020-31 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • n/a TCExam

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.