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Fencer Vulns
medium 4.8

CVE-2022-29894 json

Cross-site Scripting in Strapi

published 2022-06-13 4 y ago modified 2026-06-17 4 mo ago also GHSA-mcqm-6ff4-53qx , EUVD-2022-6092

cvss
4.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

Strapi v3.x.x versions and earlier contain a stored cross-site scripting vulnerability in file upload function. By exploiting this vulnerability, an arbitrary script may be executed on the web browser of the user who is logging in to the product with the administrative privilege.

Exploit prediction

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
npm strapi
<=3.6.10
no fix listed

Affected products

  • Strapi Strapi

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.