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Fencer Vulns
medium 6.1

CVE-2022-0503 json

Multisite Content Copier/Updater < 2.1.2 - Reflected Cross-Site Scripting

published 2022-03-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15638

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

The WordPress Multisite Content Copier/Updater WordPress plugin before 2.1.2 does not sanitise and escape the s parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in the network dashboard

Patch / fix

  • obtaininfotech multisite_content_copier/updater 2.1.2

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/b6d38e23-3761-4447-a794-1e5077fd953a referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • Unknown WordPress Multisite Content Copier/Updater

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.