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CVE-2026-80180— Apache Allura: Stored XSS via markdown HTML processing

Quick assessment

Affected
Apache Software Foundation Apache Allura
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.

Apache Allura是美国Apache基金会的一款项目管理和协作平台。 Apache Allura 1.20.0及之前版本存在跨站脚本漏洞，该漏洞源于markdown HTML处理不当，可能导致存储型跨站脚本攻击。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.26% · P17

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Allura ≤ 1.20.0 affected
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I. Basic Information for CVE-2026-80180

Vulnerability Information
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Vulnerability Title
Apache Allura: Stored XSS via markdown HTML processing
Source: CVE Program / CVE List V5
Vulnerability Description
Stored XSS via markdown HTML processing in Apache Allura. This issue affects Apache Allura: from through 1.20.0. Users are recommended to upgrade to version 1.21.0, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Allura 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Allura是美国Apache基金会的一款项目管理和协作平台。 Apache Allura 1.20.0及之前版本存在跨站脚本漏洞，该漏洞源于markdown HTML处理不当，可能导致存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Allura 0 ~ 1.20.0 -

II. Public POCs for CVE-2026-80180

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III. Intelligence Information for CVE-2026-80180

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Mailing List Discussions for CVE-2026-80180 (1)

Same Patch Batch · Apache Software Foundation · 2026-09-04 · 7 CVEs total

CVE-2026-80181 Apache Allura: Server-side request forgery
CVE-2026-71216 Apache SkyWalking: PagerDuty alarm hook transmits the integration routing key over clearte
CVE-2026-81270 Apache Allura: Information exposure via search
CVE-2026-85229 Apache SkyWalking: CWE-79 stored XSS in Booster UI dashboard widgets (incomplete fix of CV
CVE-2026-80190 Apache Allura: Stored XSS via code repositories
CVE-2026-52691 Apache Griffin Hive Metastore Module: SQL Injection Vulnerability in Hive Metastore Module

IV. Related Vulnerabilities

Same product: Apache Allura
Same vendor: Apache Software Foundation
Same weakness: CWE-79

V. Comments for CVE-2026-80180

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