# mediawiki/core (Packagist) vulnerabilities Source: https://junglewise.ai/threats/technologies/mediawiki-core Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/mediawiki-core.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 28 vulnerabilities in mediawiki/core (Packagist): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2023-45363, was published on 9 October 2023. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 28 (0 critical, 0 exploited in the wild) ## About mediawiki/core (Packagist) MediaWiki is a free and open-source wiki engine used to power Wikipedia. ## Latest mediawiki/core (Packagist) vulnerabilities - [CVE-2023-45363: MediaWiki Denial of Service vulnerability](https://junglewise.ai/threats/cve-2023-45363-mediawiki-denial-of-service-vulnerability) (low, CVSS 3.1, published 9 Oct 2023) - [CVE-2023-29141: X-Forwarded-For header allows brute-forcing autoblocked IP addresses](https://junglewise.ai/threats/cve-2023-29141-x-forwarded-for-header-allows-brute-forcing-autoblocked-ip) (low, CVSS 3.1, published 31 Mar 2023) - [CVE-2021-41800: MediaWiki allows a denial of service](https://junglewise.ai/threats/cve-2021-41800-mediawiki-allows-a-denial-of-service) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-25828: MediaWiki Cross-site Scripting (XSS) vulnerability](https://junglewise.ai/threats/cve-2020-25828-mediawiki-cross-site-scripting-xss-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-25815: MediaWiki Cross-site Scripting (XSS) vulnerability](https://junglewise.ai/threats/cve-2020-25815-mediawiki-cross-site-scripting-xss-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-25814: MediaWiki Cross-site Scripting (XSS) vulnerability](https://junglewise.ai/threats/cve-2020-25814-mediawiki-cross-site-scripting-xss-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-25827: OATHAuth extension in MediaWiki is not implementing rate limit](https://junglewise.ai/threats/cve-2020-25827-oathauth-extension-in-mediawiki-is-not-implementing-rate-limit) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-25813: MediaWiki Special:UserRights exposes the existence of hidden users](https://junglewise.ai/threats/cve-2020-25813-mediawiki-special-userrights-exposes-the-existence-of-hidden) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-25812: MediaWiki Cross-site Scripting (XSS) vulnerability](https://junglewise.ai/threats/cve-2020-25812-mediawiki-cross-site-scripting-xss-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-15005: img_auth.php may leak private extension images into the public cache](https://junglewise.ai/threats/cve-2020-15005-img-auth-php-may-leak-private-extension-images-into-the-public) (info, published 24 May 2022) - [CVE-2020-10959: MediaWiki Open Redirect vulnerability](https://junglewise.ai/threats/cve-2020-10959-mediawiki-open-redirect-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-10960: MediaWiki makeCollapsible allows applying event handler to any CSS selector](https://junglewise.ai/threats/cve-2020-10960-mediawiki-makecollapsible-allows-applying-event-handler-to-any) (low, CVSS 3.1, published 24 May 2022) - [CVE-2019-19709: Possible to circumvent title-blacklist](https://junglewise.ai/threats/cve-2019-19709-possible-to-circumvent-title-blacklist) (low, CVSS 3.1, published 24 May 2022) - [CVE-2019-16738: MediaWiki information disclosure](https://junglewise.ai/threats/cve-2019-16738-mediawiki-information-disclosure) (low, CVSS 3.1, published 24 May 2022) - [CVE-2019-12474: Wikimedia information leak vulnerability](https://junglewise.ai/threats/cve-2019-12474-wikimedia-information-leak-vulnerability) (low, CVSS 3, published 24 May 2022) - [CVE-2019-12471: MediaWiki Cross-site Scripting (XSS)](https://junglewise.ai/threats/cve-2019-12471-mediawiki-cross-site-scripting-xss) (low, CVSS 3, published 24 May 2022) - [CVE-2019-12473: Wikimedia Potential DOS due to slow WatchedItemStore::countVisitingWatchersMultiple](https://junglewise.ai/threats/cve-2019-12473-wikimedia-potential-dos-due-to-slow-watcheditemstore) (low, CVSS 3, published 24 May 2022) - [CVE-2019-12470: Wikimedia MediaWik exposed suppressed log in RevisionDelete page](https://junglewise.ai/threats/cve-2019-12470-wikimedia-mediawik-exposed-suppressed-log-in-revisiondelete-page) (low, CVSS 3, published 24 May 2022) - [CVE-2019-12472: MediaWiki Incorrect Access Control vulnerability](https://junglewise.ai/threats/cve-2019-12472-mediawiki-incorrect-access-control-vulnerability) (low, CVSS 3, published 24 May 2022) - [CVE-2019-12469: MediaWiki Incorrect Access Control vulnerability](https://junglewise.ai/threats/cve-2019-12469-mediawiki-incorrect-access-control-vulnerability) (low, CVSS 3, published 24 May 2022) - [CVE-2019-12466: Wikimedia MediaWiki allows CSRF](https://junglewise.ai/threats/cve-2019-12466-wikimedia-mediawiki-allows-csrf) (low, CVSS 3, published 24 May 2022) - [CVE-2019-12468: Wikimedia MediaWiki Incorrect Access Control vulnerability](https://junglewise.ai/threats/cve-2019-12468-wikimedia-mediawiki-incorrect-access-control-vulnerability) (low, CVSS 3, published 24 May 2022) - [CVE-2019-12467: MediaWiki Incorrect Access Control vulnerability](https://junglewise.ai/threats/cve-2019-12467-mediawiki-incorrect-access-control-vulnerability) (low, CVSS 3, published 24 May 2022) - [CVE-2014-2853: Cross-site scripting vulnerability in includes/actions/InfoAction.php](https://junglewise.ai/threats/cve-2014-2853-cross-site-scripting-vulnerability-in-includes-actions-infoaction) (info, published 17 May 2022) - [CVE-2018-13258: Mediawiki tarball is missing .htaccess files](https://junglewise.ai/threats/cve-2018-13258-mediawiki-tarball-is-missing-htaccess-files) (low, CVSS 3, published 14 May 2022) ## Most severe mediawiki/core (Packagist) vulnerabilities - [CVE-2023-45363: MediaWiki Denial of Service vulnerability](https://junglewise.ai/threats/cve-2023-45363-mediawiki-denial-of-service-vulnerability) (low, CVSS 3.1, published 9 Oct 2023) - [CVE-2021-41800: MediaWiki allows a denial of service](https://junglewise.ai/threats/cve-2021-41800-mediawiki-allows-a-denial-of-service) (low, CVSS 3.1, published 24 May 2022) - [CVE-2019-16738: MediaWiki information disclosure](https://junglewise.ai/threats/cve-2019-16738-mediawiki-information-disclosure) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-25827: OATHAuth extension in MediaWiki is not implementing rate limit](https://junglewise.ai/threats/cve-2020-25827-oathauth-extension-in-mediawiki-is-not-implementing-rate-limit) (low, CVSS 3.1, published 24 May 2022) - [CVE-2019-19709: Possible to circumvent title-blacklist](https://junglewise.ai/threats/cve-2019-19709-possible-to-circumvent-title-blacklist) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-10959: MediaWiki Open Redirect vulnerability](https://junglewise.ai/threats/cve-2020-10959-mediawiki-open-redirect-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-25814: MediaWiki Cross-site Scripting (XSS) vulnerability](https://junglewise.ai/threats/cve-2020-25814-mediawiki-cross-site-scripting-xss-vulnerability) (low, CVSS 3.1, published 24 May 2022) - [CVE-2020-25813: MediaWiki Special:UserRights exposes the existence of hidden users](https://junglewise.ai/threats/cve-2020-25813-mediawiki-special-userrights-exposes-the-existence-of-hidden) (low, CVSS 3.1, published 24 May 2022) - [CVE-2023-29141: X-Forwarded-For header allows brute-forcing autoblocked IP addresses](https://junglewise.ai/threats/cve-2023-29141-x-forwarded-for-header-allows-brute-forcing-autoblocked-ip) (low, CVSS 3.1, published 31 Mar 2023) - [CVE-2020-10960: MediaWiki makeCollapsible allows applying event handler to any CSS selector](https://junglewise.ai/threats/cve-2020-10960-mediawiki-makecollapsible-allows-applying-event-handler-to-any) (low, CVSS 3.1, published 24 May 2022) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Packagist technologies - [moodle/moodle (Packagist)](https://junglewise.ai/threats/technologies/moodle-moodle): 434 vulnerabilities - [magento/community-edition (Packagist)](https://junglewise.ai/threats/technologies/packagist-magento-community-edition): 362 vulnerabilities - [typo3/cms (Packagist)](https://junglewise.ai/threats/technologies/packagist-typo3-cms): 187 vulnerabilities - [wwbn/avideo (Packagist)](https://junglewise.ai/threats/technologies/wwbn-avideo): 164 vulnerabilities - [magento/project-community-edition (Packagist)](https://junglewise.ai/threats/technologies/magento-project-community-edition): 161 vulnerabilities - [drupal/core (Packagist)](https://junglewise.ai/threats/technologies/packagist-drupal-core): 150 vulnerabilities - [pimcore/pimcore (Packagist)](https://junglewise.ai/threats/technologies/pimcore-pimcore): 145 vulnerabilities - [craftcms/cms (Packagist)](https://junglewise.ai/threats/technologies/craftcms-cms): 143 vulnerabilities - [dolibarr/dolibarr (Packagist)](https://junglewise.ai/threats/technologies/dolibarr-dolibarr): 127 vulnerabilities - [getgrav/grav (Packagist)](https://junglewise.ai/threats/technologies/getgrav-grav): 127 vulnerabilities - [typo3/cms-core (Packagist)](https://junglewise.ai/threats/technologies/typo3-cms-core): 127 vulnerabilities - [concrete5/concrete5 (Packagist)](https://junglewise.ai/threats/technologies/concrete5-concrete5): 122 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "mediawiki/core (Packagist) vulnerabilities", https://junglewise.ai/threats/technologies/mediawiki-core, 9 November 2026.