CVE-2022-4140 — The Welcart e-Commerce WordPress plugin before 2

The Welcart e-Commerce WordPress plugin before 2.8.5 does not validate user input before using it to output the content of a file, which could allow unauthenticated attacker to read arbitrary files on the server

01What is this vulnerability?

The Welcart e-Commerce WordPress plugin before 2.8.5 does not validate user input before using it to output the content of a file, which could allow unauthenticated attacker to read arbitrary files on the server

02Affected products

Vendor	Product	Versions
Unknown	Welcart e	Commerce — 0

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: 2023-01-02T21:49:12.877Z
• Last modified: 2025-04-10T19:11:34.151Z

09References

• wpscan.com — https://wpscan.com/vulnerability/0d649a7e-3334-48f7-abca-fff0856e12c7