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CVE-2021-24966

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

4.9 MediumPublic exploit

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

5.19%Down 0.9 points since Mar 15, 2022
90%50%10%1%

What each source reports

NVD Score used 4.9

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

Record
CVE-2021-24966
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:N/I:P/A:N
Weakness
CWE-73
Updated
2026-11-02
CVE List No score

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

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

Record
CVE-2021-24966
Weakness
CWE-73
Updated
2026-11-02
EUVDEUVD-2021-11878 No score

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

Record
EUVD-2021-11878
Updated
2026-11-03
GitHub AdvisoriesGHSA-6x4q-qqxj-h82w 4.9

The Error Log Viewer WordPress plugin through 1.1.1 does not validate the path of the log file to...

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

Record
GHSA-6x4q-qqxj-h82w
CVSS 3.1
4.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-73
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-24966 is a medium vulnerability (CVSS 4.9) in Bestwebsoft Error Log Viewer, published March 14, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 5.19%, the 92nd percentile. No source names a fixed version.

References

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