Cross-site scripting in Frappe html2text sanitization
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-80.
Summary
Frappe before 13.46.1 and 14.x before 14.20.0 contains a cross-site scripting vulnerability because the html2text function weakly sanitizes user input. An authenticated attacker can supply crafted HTML that is insufficiently sanitized, executing scripts in the browsers of users who view the rendered content.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Frappe before 13.46.1 and 14.x before 14.20.0 contains a cross-site scripting vulnerability because the html2text function weakly sanitizes user input. Authenticated attackers can supply crafted HTML that is insufficiently sanitized by html2text, executing scripts in the browsers of users who view the rendered content.
Why it matters now
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
Upgrade Frappe to 13.46.1 on the 13.x branch or to 14.20.0 on the 14.x branch.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA frappe (frappe) Fixed in 13.46.1, 14.20.0
Timeline
- 2026-10-12 Threatist record created from CVE-2023-54409
- 2026-10-13 Alias added: GHSA-w4rh-867r-qwp3
- 2026-10-13 CISA SSVC decision points changed
- 2026-10-13 Priority changed: MEDIUM → LOW
References
More frappe vulnerabilities
- TI-2026-28140 ERPNext v15.103.1 and before is vulnerable to Server-Side Template Injection (SSTI). CVSS 3.1CRITICAL 9.8
- TI-2025-40873 An issue was discovered in Frappe ERPNext through 15.89.0. CVSS 3.1CRITICAL 9.8
- TI-2025-40872 An issue was discovered in Frappe ERPNext through 15.89.0. CVSS 3.1CRITICAL 9.8
- TI-2025-40871 A Server-Side Template Injection (SSTI) vulnerability exists in the Frappe ERPNext… CVSS 3.1CRITICAL 9.8
- TI-2025-32462 In Frappe ERPNext 15.57.5, the function get_rfq_containing_supplier() at… CVSS 3.1HIGH 8.2
- TI-2025-32461 In Frappe ERPNext 15.57.5, the function get_stock_balance_for() at… CVSS 3.1HIGH 8.2
Sources
- CVE-2023-54409 · CVE Program
- CVE-2023-54409 · NVD
- FIRST EPSS
- GHSA-w4rh-867r-qwp3 · GitHub Advisory Database · CC BY 4.0
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