01 Record
CVE-2026-2520
Online Scheduling and Appointment Booking System – Bookly <= 27.2 - Missing Authorization to Authenticated (Subscriber+) Limited Arbitrary Plugin Update
MediumPUBLISHEDCNA: Wordfence
CNA base score5.4 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
02 Description
Online Scheduling and Appointment Booking System – Bookly <= 27.2 - Missing Authorization to Authenticated (Subscriber+) Limited Arbitrary Plugin Update
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.38% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 31.7% of scored records. A rank, not a probability.
- NVD base score
- 5.4 (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:L
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-08.
- 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
- 2026-09-08 11:30Z1 MO AGO
- Last updated
- 2026-09-08 12:01Z1 MO AGO
- Reserved
- 2026-02-15
- Assigning CNA
- Wordfence
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.4)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- Weaknesses
- CWE-862Missing AuthorizationClass
- Data version
- 5.2
- Document digest
- 8cc4b4b01340cc29ffa7e9992f38e07f4772ba606cd69c7a2b5e96b5fcc71211
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/b7edc69b-363d-49df-b82b-a9ad4fe9224a?source=cve
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/trunk/lib/PluginsUpdater.php#L105
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/bookly-responsive-appointment-booking-tool/trunk/lib/PluginsUpdater.php#L10
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset/3504922/