CVE-2022-4670

CVE-2022-4670 is a medium-severity vulnerability in Pdf.js Viewer Project Pdf.js Viewer 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 PDF.js Viewer WordPress plugin before 2.1.8 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-2022-4670?
The PDF.js Viewer WordPress plugin before 2.1.8 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-2022-4670?
CVE-2022-4670 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-2022-4670 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4670?
CVE-2022-4670 affects Pdf.js Viewer Project Pdf.js Viewer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4670?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4670 published?
CVE-2022-4670 was published on 2023-02-06 and last updated on 2026-06-17.

References

Affected products (1)

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