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Vulnerability details: VCID-3wvj-4a66-aaaq
Vulnerability ID VCID-3wvj-4a66-aaaq
Aliases CVE-2021-30153
Summary An issue was discovered in the VisualEditor extension in MediaWiki before 1.31.13, and 1.32.x through 1.35.x before 1.35.2. . When using VisualEditor to edit a MediaWiki user page belonging to an existing, but hidden, user, VisualEditor will disclose that the user exists. (It shouldn't because they are hidden.) This is related to ApiVisualEditor.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-668 Exposure of Resource to Wrong Sphere
System Score Found at
epss 0.00066 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00067 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00137 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00137 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00137 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00137 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.0015 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
epss 0.00194 https://api.first.org/data/v1/epss?cve=CVE-2021-30153
cvssv3.1 4.3 https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/message/XYBF5RSTJRMVCP7QBYK7643W75A3KCIY/
ssvc Track https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/message/XYBF5RSTJRMVCP7QBYK7643W75A3KCIY/
cvssv3.1 4.3 https://lists.wikimedia.org/pipermail/wikitech-l/2021-April/094418.html
ssvc Track https://lists.wikimedia.org/pipermail/wikitech-l/2021-April/094418.html
cvssv3 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-30153
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-30153
cvssv3.1 4.3 https://phabricator.wikimedia.org/T270453
ssvc Track https://phabricator.wikimedia.org/T270453
archlinux Medium https://security.archlinux.org/AVG-1775
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-30153
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30153
https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/message/XYBF5RSTJRMVCP7QBYK7643W75A3KCIY/
https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/message/XYBF5RSTJRMVCP7QBYK7643W75A3KCIY/
https://lists.wikimedia.org/pipermail/wikitech-l/2021-April/094418.html
https://phabricator.wikimedia.org/T270453
AVG-1775 https://security.archlinux.org/AVG-1775
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:*:*:*:*:*:*:*:*
CVE-2021-30153 https://nvd.nist.gov/vuln/detail/CVE-2021-30153
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/message/XYBF5RSTJRMVCP7QBYK7643W75A3KCIY/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-06T16:14:31Z/ Found at https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/message/XYBF5RSTJRMVCP7QBYK7643W75A3KCIY/
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://lists.wikimedia.org/pipermail/wikitech-l/2021-April/094418.html
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-06T16:14:31Z/ Found at https://lists.wikimedia.org/pipermail/wikitech-l/2021-April/094418.html
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30153
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:L/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30153
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:L/UI:N/S:U/C:L/I:N/A:N Found at https://phabricator.wikimedia.org/T270453
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-06T16:14:31Z/ Found at https://phabricator.wikimedia.org/T270453
Exploit Prediction Scoring System (EPSS)
Percentile 0.30273
EPSS Score 0.00066
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.