CVE-2026-117534— REDAXO before 5.21.3 CSRF in Article History Plugin

Quick assessment

Affected

redaxo core

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.

REDAXO 5.21.3 之前的版本在其结构/历史（structure/history）插件中存在跨站请求伪造（CSRF）漏洞。该漏洞允许攻击者通过未经验证的 GET 请求删除历史记录或回滚内容。攻击者可诱使已登录的后端用户访问触发或的页面，从而永久删除所有文章快照，或将文章恢复至较早版本。

CVSS 5.4 · Medium Updated Oct 27, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

REDAXO before 5.21.3 CSRF in Article History Plugin

Source: CVE Program / CVE List V5

Vulnerability Description

REDAXO before 5.21.3 contains a cross-site request forgery vulnerability in the structure/history plugin that allows attackers to delete history or roll back content via unvalidated GET requests. Attackers can lure logged-in backend users to a page triggering func=clearall or rex_history_function=snap, permanently deleting all article snapshots or reverting articles to earlier states.

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:L

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
redaxo	core	0 ~ 5.21.3	-

II. Public POCs for CVE-2026-117534

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-117534

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Other References for CVE-2026-117534 (2)

https://github.com/redaxo/core/security/advisories/GHSA-vjwx-3c33-xwmc vendor-advisory
https://www.vulncheck.com/advisories/redaxo-before-5.21.3-csrf-in-article-history-plugin third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-117534

Same Patch Batch · redaxo · 2026-10-27 · 15 CVEs total

CVE-2026-117532	9.8 CRITICAL	REDAXO Core 5.3.0 before 5.21.4 Authentication Bypass via History Plugin
CVE-2026-117536	8.8 HIGH	REDAXO before 5.21.3 CSRF Token Bypass via users/users Privilege Escalation
CVE-2026-116896	7.5 HIGH	REDAXO before 5.21.5 Privilege Escalation via Backup Export of Authentication Tables
CVE-2026-116898	7.1 HIGH	REDAXO before 5.21.4 Missing Authorization in Media Pool Bulk Move
CVE-2026-116893	6.8 MEDIUM	REDAXO core before 5.21.5 Missing Authorization in rex_api_package API
CVE-2026-116897	6.5 MEDIUM	REDAXO before 5.21.4 Missing Authorization in Version and History Previews
CVE-2026-116899	6.5 MEDIUM	REDAXO before 5.21.4 Broken Access Control in Slice Operations
CVE-2026-117535	6.1 MEDIUM	REDAXO before 5.21.3 Reflected XSS via opener_link in Media Pool
CVE-2026-116900	5.4 MEDIUM	REDAXO before 5.21.4 Stored XSS via Media and Link Input Widgets
CVE-2026-116895	5.4 MEDIUM	REDAXO before 5.21.5 CSRF via Safe Mode Toggle Parameter
CVE-2026-117533	4.4 MEDIUM	REDAXO 5.18.0 before 5.21.4 Stored XSS via Unsanitized Mediapool SVG Uploads
CVE-2026-116894	4.2 MEDIUM	REDAXO before 5.21.5 Insufficient Session Expiration on Password Change
CVE-2026-117538	4.1 MEDIUM	REDAXO before 5.21.0 Reflected XSS via Packages API function Parameter
CVE-2026-117537	4.1 MEDIUM	REDAXO before 5.21.0 Reflected XSS via Metainfo API type Parameter

IV. Related Vulnerabilities

Same product: core

Same vendor: redaxo

Same weakness: CWE-352