How severe is CVE-2021-24781?

CVE-2021-24781 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2021-24781 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24781?

CVE-2021-24781 affects Imagesourcecontrol Image Source Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24781?

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

When was CVE-2021-24781 published?

CVE-2021-24781 was published on 2021-11-01 and last updated on 2026-06-17.

CVE-2021-24781

CVE-2021-24781 is a medium-severity vulnerability in Imagesourcecontrol Image Source Control with a CVSS 3.x base score of 4.3. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Imagesourcecontrol Image Source Control
Published: 2021-11-01
Last modified: 2026-06-17

Description

The Image Source Control WordPress plugin before 2.3.1 allows users with a role as low as Contributor to change arbitrary post meta fields of arbitrary posts (even those they should not be able to edit)

Frequently asked questions

What is CVE-2021-24781?: The Image Source Control WordPress plugin before 2.3.1 allows users with a role as low as Contributor to change arbitrary post meta fields of arbitrary posts (even those they should not be able to edit)
How severe is CVE-2021-24781?: CVE-2021-24781 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2021-24781 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24781?: CVE-2021-24781 affects Imagesourcecontrol Image Source Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24781?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24781 published?: CVE-2021-24781 was published on 2021-11-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:imagesourcecontrol:image_source_control:*:*:*:*:*:wordpress:*:*

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