Apache Answer: Stored XSS via unsanitized HTML in imported question content
CVSS score
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EPSS probability
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Risk score
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Published
22 h ago
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Vulnerability description
CVE AI research
DayBreach AI Explanation
Verified against sourcesSources read
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Source agreement
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Evidence confidence
%55
Short explanation
A stored cross-site scripting (stored XSS) vulnerability in Apache Answer through version 2.0.2 occurs because imported question bodies are stored as raw HTML without passing through the normal sanitization path.
The vulnerability allows attacker-controlled HTML content to become persistent and rendered to all viewers, including privileged users, posing significant security risks.
What should be done?
- Users are recommended to upgrade to version 2.0.3 or later
- Follow official vendor advisories and guidance
- Ensure secure configuration of import functionalities
Chain of evidence and sources
CVE-2026-64944 zafiyeti Apache Answer 2.0.2 ve önceki sürümleri etkilemektedir.
İçe aktarıcı, soru gövdelerini normal sanitasyon yolundan geçirmeden ham HTML olarak saklar.
Zafiyet, ayrıcalıklı kullanıcılar dahil tüm izleyicilere depolanmış XSS olarak yansıtılmaktadır.
Show the technical text from the sources
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.2. The importer stores imported question bodies as raw HTML without passing them through the normal Markdown-to-HTML sanitization path, so attacker-controlled HTML embedded in an imported data source is persisted and rendered to all viewers (including privileged users) as stored XSS. Users are recommended to upgrade to version 2.0.3, which fixes the issue.
CWE: CWE-79
Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-64944 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Apache Software Foundation | Apache Answer | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-64944 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-64944 weaknesses.
Official Sources and Advisories
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Weakness Type (CWE & CAPEC)
Similar Vulnerabilities
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