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CVE-2022-0558

16
FAUCET Score

CVE-2022-0558 is a stored Cross-site Scripting (XSS) vulnerability affecting Microweber versions prior to 1.2.11. It carries a CVSS score of 5.4 (Medium), indicating that an attacker with low privileges could inject malicious scripts, requiring user interaction, to achieve limited confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.11CPE matchmatch criteria
cpe:2.3:a:microweber:microweber:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
56.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 90th percentile among its peer group of 15,239 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: microweber/microweberFixed in: 1.2.11
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-wmj9-xh24-j4gxmedium

Cross-site Scripting in microweber

Feb 11, 2022

References

github.com / microweber/microweber/commit/14a1bb971bcb8b5456c2bf0020c3018907a2704d
PatchThird Party Advisory
huntr.dev / bounties/8fffc95f-14ae-457b-aecc-be4716a8b91c
ExploitThird Party Advisory