What is CVE-2022-29347?

CVE-2022-29347 is a critical-severity vulnerability in Web\@rchiv Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-05-04.

How severe is CVE-2022-29347?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-29347 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Web\@rchiv Project

CVE-2022-29347

An arbitrary file upload vulnerability in Web@rchiv 1.0 allows attackers to execute arbitrary commands via a crafted PHP file.

Vulnerability class: Unrestricted File Upload

Published 2022-05-04 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.033 (88.0th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.033 · change: +0.001

Affected products

Web\@rchiv Project — versions 1.0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
af854a3a-2127-422b-91ae-364da2661108 (URL Repurposed, Broken Link)
github.com/evildrummer/MyOwnCVEs/tree/main/CVE-2022-29347 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-29347?: CVE-2022-29347 is a critical-severity vulnerability in Web\@rchiv Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-05-04.
How severe is CVE-2022-29347?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-29347 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.