CVE-2022-4666

CVE-2022-4666 is a medium-severity vulnerability in Terakoya Markup (json-ld) Structured In Schema.org 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.

Key facts

Description

The Markup (JSON-LD) structured in schema.org WordPress plugin through 4.8.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Frequently asked questions

What is CVE-2022-4666?
The Markup (JSON-LD) structured in schema.org WordPress plugin through 4.8.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
How severe is CVE-2022-4666?
CVE-2022-4666 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-2022-4666 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4666?
CVE-2022-4666 affects Terakoya Markup (json-ld) Structured In Schema.org. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4666?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4666 published?
CVE-2022-4666 was published on 2023-02-21 and last updated on 2026-06-17.

References

Affected products (1)