VulnerabilityAnalyzed
CVE-2025-59716
ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{token} endpoint.
MEDIUM 5.3EPSS 0.89%
Does this matter?
Lower severity and a low EPSS score (0.89%). Track it; it rarely justifies an emergency change on its own.
Description
ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{token} endpoint. Because of insufficient validation of the supplied token in showPasswordForm, the server responds differently when an e-mail address corresponds to a valid pending guest user rather than a non-existent user.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.89% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200, CWE-203
- Affected
- owncloud/guests
- Source
- cve@mitre.org
References
- https://gist.github.com/thesmartshadow/64ae0449e909174d0479a4f23657147fExploit, Third Party Advisory
- https://github.com/owncloud/guestsProduct
- https://marketplace.owncloud.com/apps/guestsProduct
- https://yeswehack.com/reports/411806Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.