01 Record
CVE-2023-24058
Booked Scheduler 2.5.5 allows authenticated users to create and schedule events for any other user via a modified userId value to reservation_save.php. NOTE: 2.5.5 is a version from 2014; the latest
MediumPUBLISHEDCNA: mitre
CNA base score4.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
02 Description
Booked Scheduler 2.5.5 allows authenticated users to create and schedule events for any other user via a modified userId value to reservation_save.php. NOTE: 2.5.5 is a version from 2014; the latest
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.99% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 62.2% of scored records. A rank, not a probability.
- NVD base score
- 4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-01-22 00:00Z3 YR AGO
- Last updated
- 2025-04-02 16:09Z1 YR AGO
- Reserved
- 2023-01-22
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-284Improper Access ControlPillar
- Data version
- 5.1
- Document digest
- 0752d9ab6f1805746b3609913a7b7440190c8445a48ec48ef3c37373204ffc37
05 Affected products
VendorProductVersionsPlatforms
06 References
- s1n1st3r.gitbook.iohttps://s1n1st3r.gitbook.io/theb10g/booked-scheduler-v2.5.5-vulnerability
- www.limswiki.orghttps://www.limswiki.org/index.php/Booked
- github.comhttps://github.com/LibreBooking/app/tags?after=2.7.1
- github.comhttps://github.com/LibreBooking/app/blob/0a6cb1a9eb84835553c8caf93db2791f8655140f/Web/ajax/reservation_save.php
- github.comhttps://github.com/LibreBooking/app/blob/0a6cb1a9eb84835553c8caf93db2791f8655140f/Pages/Ajax/ReservationSavePage.php#L234-L237
- www.labarchives.comhttps://www.labarchives.com/labarchives-knowledge-base/2022-feature-releases-2/
- www.bookedscheduler.comhttps://www.bookedscheduler.com/the-future-of-booked/