Skip to content
Fencer Intel
medium 5.4

CVE-2021-24683 json

Weather Effect < 1.3.4 - CSRF to Stored Cross-Site Scripting

published 5y ago modified 4mo ago also EUVD-2021-11595

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

The Weather Effect WordPress plugin before 1.3.4 does not have any CSRF checks in place when saving its settings, and do not validate or escape them, which could lead to Stored Cross-Site Scripting issue.

Patch / fix

  • awplife weather_effect 1.3.4

Is CVE-2021-24683 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/54f95b51-5804-4bee-9e4a-f73b8ef9bbd5 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • Unknown Weather Effect – Christmas Santa Snow Falling

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

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.