TI-2025-34456 Aliases CVE-2025-54693 GHSA-3274-pvqm-8xhj

WordPress Form Block Plugin <= 1.5.5 - Arbitrary File Upload Vulnerability

MEDIUM 41CWE-434Published 2025-08-14 · Updated 2026-04-28

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

Unrestricted Upload of File with Dangerous Type vulnerability in epiphyt Form Block form-block allows Upload a Web Shell to a Web Server.This issue affects Form Block: from n/a through <= 1.5.5.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00322 25th percentileScored 2026-11-07

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: Total

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
epiphyt	Form Block	up to 1.5.5	—	No fix listed	CNA

Form Block Vendorepiphyt Affected up to 1.5.5 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-54693
2026-10-03 Alias added: GHSA-3274-pvqm-8xhj

References

Other 1

https://patchstack.com/database/Wordpress/Plugin/form-block/vulnerability/wordpress-form-block-plugin-1-5-5-arbitrary-file-upload-vulnerability?_s_id=cve

TI-2023-26163 Embed Privacy missing escaping for show_all attribute in opt-out shortcode CVSS 3.1MEDIUM 6.3
TI-2026-68298 Cross-site scripting in WordPress Form Block plugin CVSS 3.1HIGH 7.1
TI-2026-41283 WordPress Embed Privacy plugin <= 1.12.3 - Arbitrary File Deletion vulnerability CVSS 3.1HIGH 7.1
TI-2023-28340 WordPress Embed Privacy Plugin <= 1.8.0 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 6.5
TI-2023-14432 Cross Site Request Forgery due to missing nonce verification in form block CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences