HTML Forms < 1.3.33 - Admin+ Stored XSS
Priority MEDIUM 60CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The HTML Forms WordPress plugin before 1.3.33 does not sanitize and escape the form message inputs, allowing high-privilege users, such as administrators, to perform Stored Cross-Site Scripting (XSS) attacks even when the unfiltered_html capability is disabled.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00353 29th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed HTML Forms (Unknown): 1.3.33
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| Unknown | HTML Forms | before 1.3.33 | 1.3.33 | Patch available | CNA |
- HTML Forms VendorUnknown Affected before 1.3.33 Fixed in 1.3.33 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:linksoftwarellc:html_forms:*:*:*:*:*:wordpress:*:* | before 1.3.33 | Vulnerable | Linksoftwarellc |
- cpe:2.3:a:linksoftwarellc:html_forms:*:*:*:*:*:wordpress:*:* Versions before 1.3.33 Vulnerable ·Linksoftwarellc
Remediation
- Fix · CNA HTML Forms (Unknown) Fixed in 1.3.33
Timeline
- 2026-10-02 Threatist record created from CVE-2024-6243
- 2026-10-03 Alias added: GHSA-4r8x-26vf-3hx6
References
More Linksoftwarellc Html Forms vulnerabilities
- TI-2022-03391 HTML Forms < 1.3.25 - Admin+ SQLi CVSS 3.1HIGH 7.2
- TI-2024-05952 HTML Forms – Simple WordPress Forms Plugin < 1.3.34 - Bulk Delete via CSRF CVSS 3.1MEDIUM 6.5
- TI-2025-28988 WordPress HTML Forms plugin <= 1.5.2 - Cross Site Scripting (XSS) Vulnerability CVSS 3.1MEDIUM 6.5
- TI-2023-27741 WordPress HTML Forms Plugin <= 1.3.28 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 5.9
Sources
- CVE-2024-6243 · CVE Program
- CVE-2024-6243 · NVD
- FIRST EPSS
- GHSA-4r8x-26vf-3hx6 · 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