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Fencer Intel
medium 6.9

CVE-2020-8496 json

In Kronos Web Time and Attendance (webTA) 4.1.x and later 4.x versions before 5.0, there is a Stored XSS vulnerability by setting the Appli…

published 6y ago modified 4mo ago also EUVD-2020-29362

cvss
6.9
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

In Kronos Web Time and Attendance (webTA) 4.1.x and later 4.x versions before 5.0, there is a Stored XSS vulnerability by setting the Application Banner input field of the /ApplicationBanner page as an authenticated administrator.

Patch / fix

  • kronos web_time_and_attendance 5.0

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Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • nolanbkennedy.com http://www.nolanbkennedy.com/post/stored-xss-2-in-kronos-web-time-and-attendance-webta referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.9 CVSS:3.0/AC:L/AV:N/A:N/C:L/I:H/PR:H/S:C/UI:R
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CNA 3.0 6.9 CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:H/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

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.