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Fencer Intel
high 8.8

CVE-2021-24352 json

Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauthenticated Redirect Export

published 5y ago modified 4mo ago also EUVD-2021-11265

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

The export_data function of the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4 had no capability or nonce checks making it possible for unauthenticated users to export a site's redirects.

Patch / fix

  • wpdeveloper simple_301_redirects 2.0.4

Is CVE-2021-24352 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.

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Exploit prediction

1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/d770f1fa-7652-465a-833c-b7178146847d referenced PoC, tagged "exploit" by a source, unverified
  • wordfence.com https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Unknown Simple 301 Redirects by BetterLinks

Classification

Weakness
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.