How severe is CVE-2021-24154?

CVE-2021-24154 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-24154 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24154?

CVE-2021-24154 affects Themeeditor Theme Editor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24154?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-24154 published?

CVE-2021-24154 was published on 2021-04-05 and last updated on 2026-06-17.

CVE-2021-24154

CVE-2021-24154 is a medium-severity vulnerability in Themeeditor Theme Editor with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-552.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-552
Affected product: Themeeditor Theme Editor
Published: 2021-04-05
Last modified: 2026-06-17

Description

The Theme Editor WordPress plugin before 2.6 did not validate the GET file parameter before passing it to the download_file() function, allowing administrators to download arbitrary files on the web server, such as /etc/passwd

Frequently asked questions

What is CVE-2021-24154?: The Theme Editor WordPress plugin before 2.6 did not validate the GET file parameter before passing it to the download_file() function, allowing administrators to download arbitrary files on the web server, such as /etc/passwd
How severe is CVE-2021-24154?: CVE-2021-24154 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-24154 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24154?: CVE-2021-24154 affects Themeeditor Theme Editor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24154?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24154 published?: CVE-2021-24154 was published on 2021-04-05 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/566c6836-fc3d-4dd9-b351-c3d9da9ec22e

Affected products (1)

cpe:2.3:a:themeeditor:theme_editor:*:*:*:*:*:wordpress:*:*

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