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Fencer Intel
high 8.0

CVE-2022-2523 json

Cross-site Scripting (XSS) - Reflected in beancount/fava

published 4y ago modified 4mo ago also GHSA-q8hg-3vqv-f8v3 , PYSEC-2022-240 , EUVD-2022-0101

cvss
8.0
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

Cross-site Scripting (XSS) - Reflected in GitHub repository beancount/fava prior to 1.22.2.

Patch / fix

  • pypi fava 1.22.2
  • beancount beancount/fava 1.22.2

Is CVE-2022-2523 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/2a1802d8-1c2e-4919-96a7-d4dcf7ffcf8f referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.0 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi fava
<1.22.2
1.22.2

Affected products

  • beancount beancount/fava

Classification

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

References

Sources

Fencer Intel 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.