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MEDIUM severity

CVE-2022-1036 — microweber

MEDIUMFix: microweber/microweber@82be4f0

CVE-2022-1036 is a medium-severity (CVSS 5.3) CWE-190 vulnerability in microweber/microweber. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for microweber/microweber — see the affected versions and patch details below.

Able to create an account with long password leads to memory corruption / Integer Overflow in microweber/microweber

Also known asGHSA-3qr6-qrqm-8v86
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Oct 28, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs69th percentile — riskier than 69% of all scored CVEsHighest risk
0.24%0.73%1.23%1.73%0.7%1.2%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘microweber/microweber

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

In Microweber prior to 1.2.12, a user can create an account with a password thousands of characters in length, leading to memory corruption/integer overflow. Version 1.2.2 sets maximum password length at 500 characters.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistmicroweber/microweberall versions1.2.12composer require microweber/microweber:^1.2.12

Affected Products

1 product · 1 configurations
Application
microwebermicroweber
< 1.2.12
range
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Able to create an account with long password leads to memory corruption …

huntr.devNVDMar 2022

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for microweber/microweber, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update microweber/microweber to 1.2.12 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-1036 is resolved across your whole dependency graph.

  3. Workarounds

    Constrain what reaches the vulnerable code: limit the size and shape of untrusted input, isolate the affected component in a sandboxed or least-privileged process, and enable the platform's memory-safety mitigations (ASLR, stack protector, hardened allocator) so an out-of-bounds access is more likely to fail closed than to be exploitable.

Frequently Asked Questions

In Microweber prior to 1.2.12, a user can create an account with a password thousands of characters in length, leading to memory corruption/integer overflow. Version 1.2.2 sets maximum password length at 500 characters.
O3 Security · Impact-Aware SCA

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CVE-2022-1036: microweber — Fixed in 1.2.12