01 Record
CVE-2026-6810
Booking Calendar Contact Form <= 1.2.63 - Authenticated (Subscriber+) Insecure Direct Object Reference to Calendar Takeover
MediumPUBLISHEDCNA: Wordfence
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
02 Description
Booking Calendar Contact Form <= 1.2.63 - Authenticated (Subscriber+) Insecure Direct Object Reference to Calendar Takeover
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.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.33% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 25.9% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- NVD analysis status
- Deferred. 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
- 2026-04-24 05:29Z6 MO AGO
- Last updated
- 2026-04-24 13:55Z6 MO AGO
- Reserved
- 2026-04-21
- Assigning CNA
- Wordfence
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-639Authorization Bypass Through User-Controlled KeyBase
- Data version
- 5.2
- Document digest
- 6521fa428a41411e8e56cae579e2b2a807024a53ec6fdb53d3607048a49269f0
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/a3977d10-239d-4b83-ab0c-ad165485498d?source=cve
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/booking-calendar-contact-form/trunk/dex_bccf_admin_int_calendar_list.inc.php#L38
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/booking-calendar-contact-form/tags/1.2.63/dex_bccf_admin_int_calendar_list.inc.php#L38
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/booking-calendar-contact-form/trunk/dex_bccf_admin_int_calendar_list.inc.php#L71
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/booking-calendar-contact-form/tags/1.2.63/dex_bccf_admin_int_calendar_list.inc.php#L71
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/booking-calendar-contact-form/trunk/dex_bccf.php#L608
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/booking-calendar-contact-form/tags/1.2.63/dex_bccf.php#L608
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3512197%40booking-calendar-contact-form&new=3512197%40booking-calendar-contact-form&sfp_email=&sfph_mail=