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CVE-2025-58047: Volto affected by possible DoS by invoking specific URL by anonymous user

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-28 · updated 2026-09-26
• Weakness: CWE-755

Description

Volto is a React based frontend for the Plone Content Management System. In versions from 19.0.0-alpha.1 to before 19.0.0-alpha.4, 18.0.0 to before 18.24.0, 17.0.0 to before 17.22.1, and prior to 16.34.0, an anonymous user could cause the NodeJS server part of Volto to quit with an error when visiting a specific URL. The problem has been patched in versions 16.34.0, 17.22.1, 18.24.0, and 19.0.0-alpha.4. To mitigate downtime, have setup automatically restart processes that quit with an error.

Affected products

• plone volto: before 16.34.0; from 17.0.0, < 17.22.1; from 18.0.0, < 18.24.0; from 19.0.0-alpha.1, < 19.0.0-alpha.4

References

• https://github.com/plone/volto/commit/2789a287ac45ad9039fb9161d465ba13241fff0a
• https://github.com/plone/volto/releases/tag/16.34.0
• https://github.com/plone/volto/releases/tag/17.22.1
• https://github.com/plone/volto/releases/tag/18.24.0
• https://github.com/plone/volto/releases/tag/19.0.0-alpha.4
• https://github.com/plone/volto/security/advisories/GHSA-xjhf-7833-3pm5
• http://www.openwall.com/lists/oss-security/2025/08/28/3

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