Vulnerability · Published Sep 18, 2026 · Assigned by VulDB

CVE-2026-93505SveltyCMS SVG Media Upload media-service.server.ts cross site scripting

Low 3.5

In plain English

A low-severity cross-site scripting in SveltyCMS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.3%top 71.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in SveltyCMS 0.0.6. This vulnerability affects unknown code of the file src/utils/media/media-service.server.ts of the component SVG Media Upload. Performing a manipulation results in cross site scripting. The attack can be initiated remotely. The patch is named 05b4f9efeb79e9d72a693232334d7529687f896f. Applying a patch is the recommended action to fix this issue.

Affected products (as reported)

Vendor	Product	Versions
n/a	SveltyCMS	0.0.6

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:X/RL:O/RC:C

References

VDB-407422 | SveltyCMS SVG Media Upload media-service.server.ts cross site scripting vdb-entry
VDB-407422 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-93505 | CVE Analysis and Report third-party-advisory
Submit #942850 | SveltyCMS 0.0.6 Cross Site Scripting third-party-advisory
https://github.com/SveltyCMS/SveltyCMS/commit/05b4f9efeb79e9d72a693232334d7529687f896f patch
https://github.com/SveltyCMS/SveltyCMS/ product