Review reviewCritical

CVE-2022-29351

tiddlywiki5

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.

CVSS
9.8
EPSS
2.48%
83.0% percentile
CISA KEV
Not listed
Published
2022.05.16
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability2.48%
Technical severityCVSS 9.8

Vulnerability overview

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.

Affected product and versions

Product
tiddlywiki5
Affected versions
5.2.2
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that tiddlywiki5 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-434
CVE-2022-29351 — tiddlywiki5 | SECUFOCUS NOW