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CVE-2019-5973

23
FAUCET Score

CVE-2019-5973 describes a Cross-Site Request Forgery (CSRF) vulnerability in Online Lesson Booking versions 0.8.6 and earlier, impacting the sukimalab online_lesson_booking product. This high-severity vulnerability (CVSS 8.8) allows remote attackers to hijack administrator authentication through unspecified vectors, potentially leading to full compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.8.6CPE matchmatch criteria
cpe:2.3:a:sukimalab:online_lesson_booking:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 61st percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/jp/JVN96988995/index.html
Third Party Advisory
olbsys.com / fixed-vulnerability-issue
Vendor Advisory
wordpress.org / plugins/online-lesson-booking-system
ProductThird Party Advisory
wpvulndb.com / vulnerabilities/9435
Third Party Advisory