CVE-2021-24855

CVE-2021-24855 is a medium-severity vulnerability in Display Post Metadata Project Display Post Metadata with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Description

The Display Post Metadata WordPress plugin before 1.5.0 adds a shortcode to print out custom fields, however their content is not sanitised or escaped which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks

Frequently asked questions

What is CVE-2021-24855?
The Display Post Metadata WordPress plugin before 1.5.0 adds a shortcode to print out custom fields, however their content is not sanitised or escaped which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks
How severe is CVE-2021-24855?
CVE-2021-24855 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24855 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24855?
CVE-2021-24855 affects Display Post Metadata Project Display Post Metadata. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24855?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24855 published?
CVE-2021-24855 was published on 2021-12-13 and last updated on 2026-06-17.

References

Affected products (1)

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