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Fencer Vulns
medium 6.6

CVE-2022-2777 json

Cross-site Scripting (XSS) - Stored in microweber/microweber

published 2022-08-11 4 y ago modified 2026-06-17 4 mo ago also GHSA-cf6r-q678-f2p7 , EUVD-2022-6536

cvss
6.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits
0
none known

Summary

Cross-site Scripting (XSS) - Stored in GitHub repository microweber/microweber prior to 1.3.1.

Patch / fix

  • packagist microweber/microweber 1.3.1
  • microweber microweber/microweber 1.3.1

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/13dd2f4d-0c7f-483e-a771-e1ed2ff1c36f referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.6 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub 3.0 6.6 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Affected packages

ecosystem package affected fixed in
packagist microweber/microweber
<1.3.1
1.3.1

Affected products

  • microweber microweber/microweber

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.