What is CVE-2021-27517?

CVE-2021-27517 is a medium-severity vulnerability in Foxit Phantompdf, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-20.

How severe is CVE-2021-27517?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Foxit Phantompdf

CVE-2021-27517

Foxit PDF SDK For Web through 7.5.0 allows XSS. There is arbitrary JavaScript code execution in the browser if a victim uploads a malicious PDF document containing embedded JavaScript code that abuses app.alert (in the Acrobat JavaScript API).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (51.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Foxit Phantompdf
Foxit Reader
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-27517?: CVE-2021-27517 is a medium-severity vulnerability in Foxit Phantompdf, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-20.
How severe is CVE-2021-27517?: Medium severity. CVSS v3 base score is 6.1 out of 10.