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Vulnerability details: VCID-zgdf-mxfn-gbea
Vulnerability ID VCID-zgdf-mxfn-gbea
Aliases CVE-2020-15005
GHSA-xpv7-93cm-4mxv
Summary img_auth.php may leak private extension images into the public cache In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and 1.34.x before 1.34.2, private wikis behind a caching server using the img_auth.php image authorization security feature may have had their files cached publicly, so any unauthorized user could view them. This occurs because Cache-Control and Vary headers were mishandled.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 3.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15005.json
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
epss 0.00737 https://api.first.org/data/v1/epss?cve=CVE-2020-15005
generic_textual MODERATE https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_31/RELEASE-NOTES-1.31
generic_textual MODERATE https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_33/RELEASE-NOTES-1.33
generic_textual MODERATE https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_34/RELEASE-NOTES-1.34
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-xpv7-93cm-4mxv
generic_textual MODERATE https://github.com/wikimedia/mediawiki
generic_textual MODERATE https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html
generic_textual MODERATE https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EEZIMLJMJS72SJXPYL736XMUAVCRQD2H
generic_textual MODERATE https://lists.wikimedia.org/pipermail/wikitech-l/2020-June/093535.html
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2020-15005
generic_textual MODERATE https://phabricator.wikimedia.org/T248947
generic_textual MODERATE https://www.debian.org/security/2020/dsa-4767
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15005.json
https://api.first.org/data/v1/epss?cve=CVE-2020-15005
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15005
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17367
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17368
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25812
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25813
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25814
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25827
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25828
https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_31/RELEASE-NOTES-1.31
https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_33/RELEASE-NOTES-1.33
https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_34/RELEASE-NOTES-1.34
https://github.com/wikimedia/mediawiki
https://lists.debian.org/debian-lts-announce/2020/12/msg00034.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EEZIMLJMJS72SJXPYL736XMUAVCRQD2H
https://lists.wikimedia.org/pipermail/wikitech-l/2020-June/093535.html
https://nvd.nist.gov/vuln/detail/CVE-2020-15005
https://phabricator.wikimedia.org/T248947
https://www.debian.org/security/2020/dsa-4767
1851026 https://bugzilla.redhat.com/show_bug.cgi?id=1851026
GHSA-xpv7-93cm-4mxv https://github.com/advisories/GHSA-xpv7-93cm-4mxv
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-15005.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
Exploit Prediction Scoring System (EPSS)
Percentile 0.72768
EPSS Score 0.00737
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:12:01.569602+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-xpv7-93cm-4mxv/GHSA-xpv7-93cm-4mxv.json 38.0.0