What is CVE-2026-121796?

CVE-2026-121796 is a medium-severity vulnerability in Add From Server Lite, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-11-07.

How severe is CVE-2026-121796?

Medium severity. CVSS v3 base score is 6.8 out of 10.

XSS in Add From Server Lite

CVE-2026-121796

The Add From Server Lite WordPress plugin before 6.0.0 does not restrict SVG uploads to users allowed to post unfiltered HTML, allowing users with the Author role and above to upload SVG files containing JavaScript and perform Stored XSS attacks.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-11-07 · last modified 2026-11-07.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Add From Server Lite

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/1678486d-97cb-4a31-bb03-ef916f8bf497/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-121796?: CVE-2026-121796 is a medium-severity vulnerability in Add From Server Lite, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-11-07.
How severe is CVE-2026-121796?: Medium severity. CVSS v3 base score is 6.8 out of 10.