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Fencer Vulns
medium 6.1

CVE-2023-1546 json

MyCryptoCheckout < 2.124 - Reflected XSS

published 2023-05-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23780

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known, plus a Nuclei check

Summary

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

Patch / fix

  • Unknown MyCryptoCheckout 2.124

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template MyCryptoCheckout < 2.124 - Cross-Site Scripting nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/bb065397-370f-4ee1-a2c8-20e4dc4415a0 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Unknown MyCryptoCheckout

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.