Formwork < 2.3.11 Stored XSS via Referer Header
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Formwork before 2.3.11 contains a stored cross-site scripting vulnerability in visit tracking that records the Referer header host unescaped. Unauthenticated attackers can craft malicious Referer headers to inject markup that executes in administrator browsers when viewing the Statistics panel.
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| getformwork | Formwork | 2.0.0 – 2.3.10 | 2.3.11 | Patch available | CNA |
- Formwork Vendorgetformwork Affected 2.0.0 – 2.3.10 Fixed in 2.3.11 Patch available CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:formwork_project:formwork:*:*:*:*:*:*:*:* | — | — | getformwork |
- cpe:2.3:a:formwork_project:formwork:*:*:*:*:*:*:*:* Versions — — ·getformwork
Remediation
- Fix · CNA Formwork (getformwork) Fixed in 2.3.11
Timeline
- 2026-10-02 Threatist record created from CVE-2026-82451
- 2026-10-03 Alias added: GHSA-3p45-hx6j-c7f5
References
More getformwork vulnerabilities
- TI-2025-40524 Formwork CMS Has a Stored Cross-Site Scripting (XSS) Vulnerability in Blog Tags CVSS 3.1MEDIUM 6.5
- TI-2023-09940 A stored cross-site scripting (XSS) vulnerability in the component… CVSS 3.1MEDIUM 4.8
- TI-2026-21635 Formwork Improperly Manages Privileges During User Creation CVSS 3.1HIGH 8.8
- TI-2026-67389 Formwork before 2.3.13 Path Traversal via BackupController Download and Delete CVSS 4.0HIGH 7.1
- TI-2026-68481 Cross-site scripting in getformwork Formwork URI sanitizer CVSS 4.0MEDIUM 5.1
- TI-2024-24687 Formwork has a Cross-site scripting (XSS) vulnerability in Description metadata CVSS 3.1MEDIUM 4.8
Sources
- CVE-2026-82451 · CVE Program
- CVE-2026-82451 · NVD
- FIRST EPSS
- GHSA-3p45-hx6j-c7f5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences