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Fencer Vulns
medium 6.1

CVE-2023-4294 json

URL Shortify < 1.7.6 - Unauthenticated Stored XSS via referer header

published 2023-09-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54165

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

The URL Shortify WordPress plugin before 1.7.6 does not properly escape the value of the referer header, thus allowing an unauthenticated attacker to inject malicious javascript that will trigger in the plugins admin panel with statistics of the created short link.

Patch / fix

  • Unknown URL Shortify 1.7.6

CISA SSVC

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

Exploit prediction

0.82% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/1fc71fc7-861a-46cc-a147-1c7ece9a7776 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 URL Shortify

Classification

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.