EUVD-2026-70951
GHSA-48v3-gqwp-rxgg
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Repository write access required (PR:L), victim must browse the page (UI:R), script executes cross-boundary in victim's browser context (S:C); no availability impact.
Primary rating from Vendor (CNA).
CVSS VectorVendor
Lifecycle Timeline
3Description PRE-NVD
Articles & Coverage 4
AnalysisAI
Stored cross-site scripting in Apache Allura allows authenticated repository contributors to inject persistent JavaScript payloads through code repository content, executing in the browsers of any user who subsequently views the affected forge pages. All releases through 1.20.0 of this open-source software forge platform are vulnerable. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold contributor-level access (or higher) to at least one project repository on the targeted Allura instance - sufficient to push code, create branches, or modify repository content that is subsequently rendered by the web interface. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | No CVSS vector or EPSS score was supplied with this advisory, so risk must be inferred from the vulnerability class and deployment context. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to Apache Allura version 1.21.0, confirmed as the patched release by both the oss-security advisory and the official project homepage at https://allura.apache.org/. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all Apache Allura installations in your environment and document their current versions. …
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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