CVE-2019-25296 — The WP Cost Estimation plugin for WordPress is vulnerable to arbitrary file uplo

The WP Cost Estimation plugin for WordPress is vulnerable to arbitrary file uploads and deletion due to missing file type validation in the lfb_upload_form and lfb_removeFile AJAX actions in versions up to, and including, 9.642. This makes it possible for unauthenticated attacker

01What is this vulnerability?

The WP Cost Estimation plugin for WordPress is vulnerable to arbitrary file uploads and deletion due to missing file type validation in the lfb_upload_form and lfb_removeFile AJAX actions in versions up to, and including, 9.642. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible. Additionally…

02Affected products

Vendor	Product	Versions
loopus	WP Cost Estimation & Payment Forms Builder	*

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-01-08T02:21:17.399Z
• Last modified: 2026-01-08T16:45:20.953Z

09References

• www.wordfence.com — https://www.wordfence.com/threat-intel/vulnerabilities/id/ae50aa5d-95e3-4650-9db…
• www.wordfence.com — https://www.wordfence.com/blog/2019/02/vulnerabilities-patched-in-wp-cost-estima…
• www.zdnet.com — https://www.zdnet.com/article/another-wordpress-commercial-plugin-gets-exploited…
• wpscan.com — https://wpscan.com/vulnerability/9219
• www.acunetix.com — https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-wp-cost-estimation…