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CVE-2026-116880— Semantic MediaWiki 3.0.0 before 7.3.1 CSRF via Special:SMWAdmin Maintenance Actions

Quick assessment

Affected

SemanticMediaWiki SemanticMediaWiki

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Semantic MediaWiki 3.0.0 至 7.3.1（不含 7.3.1）版本在 Special:SMWAdmin 页面中存在跨站请求伪造（CSRF）漏洞，原因是该页面会用新生成的有效令牌覆盖 wpEditToken。攻击者可诱使已认证的 smw-admin 用户访问恶意页面，从而触发 Schema 配置、实体清理或作业执行等操作，导致语义数据丢失及资源耗尽。

CVSS 7.1 · High Updated Oct 27, 2026

Possible ATT&CK Techniques 1 AI

T1190.002

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Vulnerability Information

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Vulnerability Title

Semantic MediaWiki 3.0.0 before 7.3.1 CSRF via Special:SMWAdmin Maintenance Actions

Source: CVE Program / CVE List V5

Vulnerability Description

Semantic MediaWiki from 3.0.0 before 7.3.1 contains a cross-site request forgery vulnerability in Special:SMWAdmin because it overwrites the wpEditToken with a freshly generated valid token. Attackers can lure an authenticated smw-admin user to a malicious page that triggers schema setup, entity-disposal, or job actions, causing semantic data loss and resource exhaustion.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

跨站请求伪造(CSRF)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
SemanticMediaWiki	SemanticMediaWiki	3.0.0 ~ 7.3.1	-

II. Public POCs for CVE-2026-116880

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-116880

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Other References for CVE-2026-116880 (2)

https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-7f7v-2qf4-gfq3 vendor-advisory
https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.3.1-csrf-via-special-smwadmin-maintenance-actions third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-116880

Same Patch Batch · SemanticMediaWiki · 2026-10-27 · 22 CVEs total

CVE-2026-116871	7.5 HIGH	Semantic MediaWiki 3.0.0 before 7.3.1 Uncontrolled Recursion via Special:Ask
CVE-2026-116872	7.5 HIGH	Semantic MediaWiki 3.0.0 before 7.3.1 Denial of Service via Special:Search Compact Filters
CVE-2026-116878	7.5 HIGH	Semantic MediaWiki 2.5.0 before 7.3.1 Resource Exhaustion via Special:PropertyLabelSimilar
CVE-2026-116890	7.3 HIGH	Semantic MediaWiki 3.0.0 before 7.3.0 Missing Authorization via smwtask API
CVE-2026-116873	7.3 HIGH	Semantic MediaWiki 7.3.0 Missing Authorization via smwtask API run-joblist and update
CVE-2026-116876	7.1 HIGH	Semantic MediaWiki 2.5.0 before 7.3.1 Missing Authorization via Is edit protected
CVE-2026-116877	6.5 MEDIUM	Semantic MediaWiki 2.5.0 before 7.3.1 Resource Exhaustion via #set_recurring_event
CVE-2026-116892	6.1 MEDIUM	SemanticMediaWiki 3.1.0 before 7.3.1 Reflected XSS via Special:Search smw Profile
CVE-2026-116889	6.1 MEDIUM	SemanticMediaWiki 2.5.0 before 7.3.1 Stored XSS via Special:Browse Code Property
CVE-2026-116881	6.1 MEDIUM	Semantic MediaWiki 3.0.0 before 7.3.1 XSS via Property-Value Autocomplete
CVE-2026-116884	6.1 MEDIUM	SemanticMediaWiki 5.0.0 before 7.3.1 Stored XSS via Tooltip Module data-* Attributes
CVE-2026-116874	6.1 MEDIUM	SemanticMediaWiki 3.1.0 before 7.3.1 Reflected XSS via JsonResultPrinter Default Parameter
CVE-2026-116885	6.1 MEDIUM	Semantic MediaWiki before 7.3.1 Reflected XSS via Special:SMWAdmin id Parameter
CVE-2026-116891	6.1 MEDIUM	SemanticMediaWiki 4.2.0 before 7.2.1 Reflected XSS via Special:FacetedSearch cstate
CVE-2026-116875	6.1 MEDIUM	SemanticMediaWiki 3.0.0 before 7.3.1 Reflected XSS via Special:Ask Separator Parameters
CVE-2026-116887	5.4 MEDIUM	Semantic MediaWiki 3.0.0 before 7.3.1 Stored XSS via Special:Browse Keyword Property
CVE-2026-116879	5.4 MEDIUM	Semantic MediaWiki 7.3.0 before 7.3.1 Missing Authorization via smwtask Update Task
CVE-2026-116886	5.4 MEDIUM	Semantic MediaWiki before 7.3.1 Stored XSS via External Identifier in Special:Browse
CVE-2026-116883	4.8 MEDIUM	Semantic MediaWiki 3.1.0 before 7.3.1 Stored XSS via Schema Descriptions
CVE-2026-116882	4.8 MEDIUM	Semantic MediaWiki 4.2.0 before 7.3.1 Stored XSS via FacetedSearch Exploration Labels

Showing top 20 of 22 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: SemanticMediaWiki

Same vendor: SemanticMediaWiki

Same weakness: CWE-352