Aggregates CVE and security vulnerability intelligence across all wikimedia-related products, including CVSS, EPSS, publication dates, and vulnerability intelligence data.
Historical issues mainly involve vendor risk cross-site scripting and vendor risk path handling and related problems; some flaws may lead to vendor impact session compromise and vendor impact file overwrite.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2025-61638 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid. This vulnerability is associated with program files includes/parser/Sanitizer.Php, src/Core/Sanitizer.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1; Parsoid: from * before 0.16.6, 0.20.4, 0.21.1. | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | 0.0 | 0.23% | 2026-02-03 | 2026-03-16 |
| CVE-2026-0817 | Missing Authorization vulnerability in Wikimedia Foundation MediaWiki - CampaignEvents extension allows Privilege Abuse.This issue affects MediaWiki - CampaignEvents extension: 1.45, 1.44, 1.43, 1.39. | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | 5.3 | 0.25% | 2026-01-09 | 2026-02-10 |
| CVE-2026-22710 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Wikibase Extension: 1.45, 1.44, 1.43, 1.39. | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | 2.3 | 0.17% | 2026-01-09 | 2026-02-12 |
| CVE-2026-0671 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - UploadWizard extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - UploadWizard extension: 1.45, 1.44, 1.43, 1.39. | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | 6.1 | 0.20% | 2026-01-08 | 2026-01-15 |
| CVE-2024-47841 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in The Wikimedia Foundation Mediawiki - CSS Extension allows Path Traversal.This issue affects Mediawiki - CSS Extension: from 1.42.X before 1.42.2, from 1.41.X before 1.41.3, from 1.39.X before 1.39.9. | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | 6.9 | 34.18% | 2024-10-05 | 2024-10-16 |
| CVE-2024-47845 | Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - CSS Extension allows Code Injection.This issue affects Mediawiki - CSS Extension: from 1.39.X before 1.39.9, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2. | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | 6.9 | 0.40% | 2024-10-05 | 2024-10-23 |
| CVE-2024-47840 | Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - Apex skin allows Stored XSS.This issue affects Mediawiki - Apex skin: from 1.39.X before 1.39.9, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2. | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | 6.9 | 0.30% | 2024-10-05 | 2024-10-16 |
| CVE-2018-25065 | A vulnerability was found in Wikimedia mediawiki-extensions-I18nTags and classified as problematic. This issue affects some unknown processing of the file I18nTags_body.php of the component Unlike Parser. The manipulation leads to cross site scripting. The attack may be initiated remotely. The identifier of the patch is b4bc3cbbb099eab50cf2b544cf577116f1867b94. It is recommended to apply a patch to fix this issue. The identifier VDB-217445 was assigned to this vulnerability. | [email protected] | 3.5 | 0.52% | 2023-01-05 | 2024-11-21 |
| CVE-2020-36324 | Wikimedia Quarry analytics-quarry-web before 2020-12-15 allows Reflected XSS because app.py does not explicitly set the application/json content type. | [email protected] | 6.1 | 0.63% | 2021-04-21 | 2024-11-21 |
| CVE-2021-30458 | An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a <meta> tag, bypassing sanitization steps, and potentially allowing for XSS. | [email protected] | 6.1 | 0.98% | 2021-04-09 | 2024-11-21 |
| CVE-2019-19329 | In Wikibase Wikidata Query Service GUI before 0.3.6-SNAPSHOT 2019-11-07, when mathematical expressions in results are displayed directly, arbitrary JavaScript execution can occur, aka XSS. This was addressed by introducing MathJax as a new mathematics rendering engine. NOTE: this GUI code is no longer bundled with the Wikibase Wikidata Query Service snapshots, such as 0.3.6-SNAPSHOT. | [email protected] | 6.1 | 1.42% | 2019-11-27 | 2024-11-21 |
| CVE-2019-19328 | ui/editor/tooltip/Rdf.js in Wikibase Wikidata Query Service GUI before 0.3.6-SNAPSHOT 2019-11-07 allows HTML injection in tooltips for entities. NOTE: this GUI code is no longer bundled with the Wikibase Wikidata Query Service snapshots, such as 0.3.6-SNAPSHOT. | [email protected] | 6.1 | 0.85% | 2019-11-27 | 2024-11-21 |
| CVE-2019-19327 | ui/ResultView.js in Wikibase Wikidata Query Service GUI before 0.3.6-SNAPSHOT 2019-11-07 allows HTML injection when reporting the number of results and number of milliseconds. NOTE: this GUI code is no longer bundled with the Wikibase Wikidata Query Service snapshots, such as 0.3.6-SNAPSHOT. | [email protected] | 6.1 | 0.85% | 2019-11-27 | 2024-11-21 |