What is CVE-2022-0961?

CVE-2022-0961 is a medium-severity vulnerability in Microweber, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2022-03-15.

How severe is CVE-2022-0961?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Integer overflow in Microweber

CVE-2022-0961

The microweber application allows large characters to insert in the input field "post title" which can allow attackers to cause a Denial of Service (DoS) via a crafted HTTP request. in GitHub repository microweber/microweber prior to 1.2.12.

Vulnerability class: Integer Overflow

Published 2022-03-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Microweber
Microweber Microweber/microweber — versions unspecified

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

huntr.dev/bounties/cdf00e14-38a7-4b6b-9bb4-3a71bf24e436 (Exploit, Patch, Third Party Advisory)
github.com/microweber/microweber/commit/f7acbd075dff4825b35b597b74958de9edce67fc (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0961?: CVE-2022-0961 is a medium-severity vulnerability in Microweber, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2022-03-15.
How severe is CVE-2022-0961?: Medium severity. CVSS v3 base score is 5.5 out of 10.