CVE-2020-16193
lowpriority · track · 22EPSS 0.006 · 48 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.59% (48th) EPSS
CVSS 3.5 · low
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-28
osTicket before 1.14.3 allows XSS because include/staff/banrule.inc.php has an unvalidated echo $info['notes'] call.
01
cvss
Technical severity, 0–10. One row per scoring source.
5.4
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (2)
Products and version ranges known to be affected.
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
07
references (7)
External citations — patches, advisories, analysis.
- https://github.com/osTicket/osTicket/blob/develop/include/staff/banrule.inc.php#L67cnnvd
- https://github.com/osTicket/osTicket/pull/5616/commits/fb570820ef1138776f929a179906e1d8089179d9cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-16193cnnvd
- https://github.com/osTicket/osTicket/blob/develop/include/staff/banrule.inc.php#L67enisa_euvd
- https://github.com/osTicket/osTicket/pull/5616/commits/fb570820ef1138776f929a179906e1d8089179d9enisa_euvd
- https://github.com/osTicket/osTicket/blob/develop/include/staff/banrule.inc.php#L67PatchThird Party Advisorynvd
- https://github.com/osTicket/osTicket/pull/5616/commits/fb570820ef1138776f929a179906e1d8089179d9PatchThird Party Advisorynvd
scry
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