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Vulnerability details: VCID-qhwj-913t-aaan
Vulnerability ID VCID-qhwj-913t-aaan
Aliases CVE-2020-35478
Summary MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. MediaWiki:blanknamespace potentially can be output as raw HTML with SCRIPT tags via LogFormatter::makePageLink(). This affects MediaWiki 1.33.0 and later.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35478.json
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00128 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00133 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00133 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00133 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00133 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.00413 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
epss 0.01401 https://api.first.org/data/v1/epss?cve=CVE-2020-35478
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1909234
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-35478
cvssv3 6.1 https://nvd.nist.gov/vuln/detail/CVE-2020-35478
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2020-35478
archlinux Medium https://security.archlinux.org/AVG-1371
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35478.json
https://api.first.org/data/v1/epss?cve=CVE-2020-35478
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35478
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/
https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html
https://phabricator.wikimedia.org/T268938
1909234 https://bugzilla.redhat.com/show_bug.cgi?id=1909234
ASA-202101-22 https://security.archlinux.org/ASA-202101-22
AVG-1371 https://security.archlinux.org/AVG-1371
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
CVE-2020-35478 https://nvd.nist.gov/vuln/detail/CVE-2020-35478
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35478.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-35478
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-35478
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-35478
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.48537
EPSS Score 0.00128
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.