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Fencer Vulns
medium 4.9

CVE-2021-24966 json

Error Log Viewer Plugin <= 1.1.1 - Admin+ Arbitrary File Clearing

published 2022-03-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11878

cvss
4.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

The Error Log Viewer WordPress plugin through 1.1.1 does not validate the path of the log file to clear, allowing high privilege users to clear arbitrary files on the web server, including those outside of the blog folder

Timeline

  1. First public exploit (EDB-50746)
  2. Published

Exploit prediction

5.19% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50746 WordPress Plugin Error Log Viewer 1.1.1 - Arbitrary File Clearing (Authenticated) webapps, 2022-02-16
  • wpscan.com https://wpscan.com/vulnerability/166a4f88-4f0c-4bf4-b624-5e6a02e21fa0 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

  • Unknown Error Log Viewer by BestWebSoft

Classification

Weakness
  • CWE-73 External Control of File Name or Path
Technology feeds

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.