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Fencer Vulns
critical 9.8

CVE-2022-29351 json

Withdrawn: Code execution via SVG file upload in tiddlywiki

published 2022-05-16 4 y ago modified 2026-09-10 1 mo ago also GHSA-cr9c-rhq6-vh53 , EUVD-2022-3624

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

An arbitrary file upload vulnerability in the file upload module of Tiddlywiki5 v5.2.2 allows attackers to execute arbitrary code via a crafted SVG file. Note: The vendor argues that this is not a legitimate issue and there is no vulnerability here.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
23 mo ago

Exploit prediction

2.67% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • youtube.com https://www.youtube.com/watch?v=F_DBx4psWns referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

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.