CVE-2024-52515

Nextcloud Server has incomplete sanitization of SVG files allows to embed other images into previews

5.7 Medium

Nextcloud Server is a self hosted personal cloud system. After an admin enables the default-disabled SVG preview provider, a malicious user could upload a manipulated SVG file referencing paths. If the file would exist the preview of the SVG would preview the other file instead. It is recommended that the Nextcloud Server is upgraded to 27.1.10, 28.0.6 or 29.0.1 and Nextcloud Enterprise Server is upgraded to 24.0.12.15, 25.0.13.10, 26.0.13.4, 27.1.10, 28.0.6 or 29.0.1.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.70%Up 0.7 points since Nov 16, 2024

What each source reports

CVE List Score used 5.7

Nextcloud Server has incomplete sanitization of SVG files allows to embed other images into previews

Record: CVE-2024-52515
CVSS 3.1: 5.7 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Weakness: CWE-706
Updated: 2026-11-02

EUVDEUVD-2024-45929 5.7

Record: EUVD-2024-45929
CVSS 3.1: 5.7 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Updated: 2026-11-03

NVD 5.7

Record: CVE-2024-52515
CVSS 3.1: 5.7 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-706
Updated: 2026-11-02

OSV 5.7

Nextcloud Server has incomplete sanitization of SVG files allows to embed other images into previews

Record: CVE-2024-52515
CVSS 3.1: 5.7 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Weakness: CWE-706
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products, published	EUVD
Nov 2, 2026	first indexed	CVE List, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-52515 is a medium vulnerability (CVSS 5.7) in Nextcloud Server, published November 15, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.