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Fencer Vulns
critical 9.1

CVE-2024-8673 json

Z-Downloads < 1.11.7 - Admin+ Stored XSS via SVG Upload

published 2025-05-15 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-15229

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known, plus a Nuclei check

Summary

The Z-Downloads WordPress plugin before 1.11.7 does not properly validate uploaded files allowing for the uploading of SVGs containing malicious JavaScript.

Patch / fix

  • Unknown Z-Downloads 1.11.7

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
17 mo ago

Exploit prediction

1.81% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Z-Downloads < 1.11.7 - Cross-Site Scripting nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/fed2cd26-7ccb-419d-b589-978410953bf4/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

  • Unknown Z-Downloads

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.