Quill 2.0.3 - Lack of data validation in HTML export allowing XSS
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
A lack of data validation vulnerability in the HTML export feature in Quill in allows Cross-Site Scripting (XSS). This issue affects Quill: 2.0.3.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-15056
- 2026-10-03 Alias added: GHSA-v3m3-f69x-jf25
References
More Slab Quill vulnerabilities
- TI-2021-02246 A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2025-15056 · CVE Program
- CVE-2025-15056 · NVD
- FIRST EPSS
- GHSA-v3m3-f69x-jf25 · GitHub Advisory Database · CC BY 4.0
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