🛡️ CVE-2025-45529 — siteserver-cms

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity low, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: Low — an ordinary user account is enough.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: None.

Weakness class

CVE-2025-45529 is classified as CWE-552: Files or Directories Accessible to External Parties. Files intended to stay internal are reachable from outside the application.

Affected software

CVE-2025-45529 is recorded against 1 package.

• siteserver-cms

Timeline and source

Published on 27 May 2025 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

gist.github.com
github.com

Other advisories for this package

siteserver-cms has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2023-2862 (3.5 Low, published 24 May 2023)
• CVE-2022-44299 (4.9 Medium, published 16 Feb 2023)
• CVE-2022-44298 (9.8 Critical, published 27 Jan 2023)
• CVE-2022-44297 (9.8 Critical, published 26 Jan 2023)
• CVE-2022-30349 (6.1 Medium, published 2 Jun 2022)
• CVE-2022-28118 (9.8 Critical, published 3 May 2022)

Same weakness in other software

These advisories are the same class of weakness (CWE-552: Files or Directories Accessible to External Parties) in other software:

• CVE-2026-14849 (3.7 Low, published 31 Jul 2026)
• CVE-2026-11841 (9.4 Critical, published 28 Jul 2026)
• CVE-2026-57990 (7.4 High, published 26 Jul 2026)
• CVE-2026-54457 (8.0 High, published 23 Jul 2026)
• CVE-2026-15342 (6.5 Medium, published 21 Jul 2026)
• CVE-2026-7817 (8.0 High, published 13 Jul 2026)
• CVE-2026-59703 (7.5 High, published 8 Jul 2026)
• CVE-2022-27193 (published 2 Jul 2026)

Details

Affected Packages

References