CVE-2023-1546 — The MyCryptoCheckout WordPress plugin before 2

The MyCryptoCheckout WordPress plugin before 2.124 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting

01What is this vulnerability?

The MyCryptoCheckout WordPress plugin before 2.124 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting

02Affected products

Vendor	Product	Versions
Unknown	MyCryptoCheckout	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: 2023-05-02T07:05:00.258Z
• Last modified: 2025-01-30T14:25:42.498Z

09References

• wpscan.com — https://wpscan.com/vulnerability/bb065397-370f-4ee1-a2c8-20e4dc4415a0