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Fencer Vulns
medium 6.1

CVE-2023-0448 json

The WP Helper Lite WordPress plugin, in versions < 4.3, returns all GET parameters unsanitized in the response, resulting in a reflected cr…

published 2023-01-24 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12502

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
42.9%
EPSS 42.9% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known, plus a Nuclei check

Summary

The WP Helper Lite WordPress plugin, in versions < 4.3, returns all GET parameters unsanitized in the response, resulting in a reflected cross-site scripting vulnerability.

Patch / fix

  • matbao wp_helper_premium 4.3

CISA SSVC

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

Exploit prediction

42.93% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template WP Helper Lite < 4.3 - Cross-Site Scripting nuclei detection template
  • tenable.com https://www.tenable.com/security/research/tra-2023-3 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

  • n/a WP Helper Lite Wordpress Plugin

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.