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Vulnerability details: VCID-ph5q-kshb-bqb7
Vulnerability ID VCID-ph5q-kshb-bqb7
Aliases CVE-2020-10959
GHSA-mqhw-wq8p-vf5r
Summary MediaWiki Open Redirect vulnerability resources/src/mediawiki.page.ready/ready.js in MediaWiki before 1.34.0-rc.0 allows remote attackers to force a logout and external redirection via HTML content in a MediaWiki page.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
System Score Found at
cvssv3 5.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10959.json
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2020-10959
cvssv3.1 6.1 https://gerrit.wikimedia.org/r/c/mediawiki/core/+/536725
generic_textual MODERATE https://gerrit.wikimedia.org/r/c/mediawiki/core/+/536725
cvssv3.1 6.1 https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-10959.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-10959.yaml
cvssv3.1 6.1 https://github.com/wikimedia/mediawiki
generic_textual MODERATE https://github.com/wikimedia/mediawiki
cvssv3.1 6.1 https://github.com/wikimedia/mediawiki/commit/d4a552e65bdfd7309a9b8537e9dbe69c5e2991eb
generic_textual MODERATE https://github.com/wikimedia/mediawiki/commit/d4a552e65bdfd7309a9b8537e9dbe69c5e2991eb
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2020-10959
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2020-10959
cvssv3.1 6.1 https://phabricator.wikimedia.org/T232932
generic_textual MODERATE https://phabricator.wikimedia.org/T232932
cvssv3.1 6.1 https://phabricator.wikimedia.org/T240393
generic_textual MODERATE https://phabricator.wikimedia.org/T240393
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10959.json
https://api.first.org/data/v1/epss?cve=CVE-2020-10959
https://gerrit.wikimedia.org/r/c/mediawiki/core/+/536725
https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-10959.yaml
https://github.com/wikimedia/mediawiki
https://github.com/wikimedia/mediawiki/commit/d4a552e65bdfd7309a9b8537e9dbe69c5e2991eb
https://nvd.nist.gov/vuln/detail/CVE-2020-10959
https://phabricator.wikimedia.org/T232932
https://phabricator.wikimedia.org/T240393
1826079 https://bugzilla.redhat.com/show_bug.cgi?id=1826079
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10959.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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://gerrit.wikimedia.org/r/c/mediawiki/core/+/536725
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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-10959.yaml
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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/wikimedia/mediawiki
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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/wikimedia/mediawiki/commit/d4a552e65bdfd7309a9b8537e9dbe69c5e2991eb
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

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none

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required

unchanged

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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-2020-10959
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

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none

required

unchanged

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high

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://phabricator.wikimedia.org/T232932
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

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high

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none

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://phabricator.wikimedia.org/T240393
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

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none
Exploit Prediction Scoring System (EPSS)
Percentile 0.50422
EPSS Score 0.00273
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:27:26.980274+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-mqhw-wq8p-vf5r/GHSA-mqhw-wq8p-vf5r.json 36.1.3