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Fencer Vulns
medium 6.1

CVE-2020-19915 json

Cross Site Scripting (XSS vulnerability exists in WUZHI CMS 4.1.0 via the mailbox username in index.php.

published 2021-09-20 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-11811

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

Cross Site Scripting (XSS vulnerability exists in WUZHI CMS 4.1.0 via the mailbox username in index.php.

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/wuzhicms/wuzhicms/issues/173 referenced PoC, tagged "exploit" by a source, unverified
  • gist.github.com https://gist.github.com/feixuezhi/7a1b117e1a4800efb3b6fffe76ca0e97 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

Classification

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

References

Sources

Fencer Vulns 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.