How severe is CVE-2023-40761?

CVE-2023-40761 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-40761 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40761?

CVE-2023-40761 affects Phpjabbers Yacht Listing Script. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40761?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-40761 published?

CVE-2023-40761 was published on 2023-08-28 and last updated on 2026-06-17.

CVE-2023-40761

CVE-2023-40761 is a critical-severity vulnerability in Phpjabbers Yacht Listing Script with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-209.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-209
Affected product: Phpjabbers Yacht Listing Script
Published: 2023-08-28
Last modified: 2026-06-17

Description

User enumeration is found in PHPJabbers Yacht Listing Script v2.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.

Frequently asked questions

What is CVE-2023-40761?: User enumeration is found in PHPJabbers Yacht Listing Script v2.0. This issue occurs during password recovery, where a difference in messages could allow an attacker to determine if the user is valid or not, enabling a brute force attack with valid users.
How severe is CVE-2023-40761?: CVE-2023-40761 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-40761 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40761?: CVE-2023-40761 affects Phpjabbers Yacht Listing Script. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40761?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-40761 published?: CVE-2023-40761 was published on 2023-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:yacht_listing_script:2.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Yacht Listing Script

CVE-2023-38830 — High (CVSS 7.5): An information leak in PHPJabbers Yacht Listing Script v1.0 allows attackers to export clients' credit card numbers…
CVE-2023-40750 — Medium (CVSS 6.1): There is a Cross Site Scripting (XSS) vulnerability in the "action" parameter of index.php in PHPJabbers Yacht Listing…

All CVEs affecting Phpjabbers Yacht Listing Script →

Other CWE-209 (Generation of Error Message Containing Sensitive Information) vulnerabilities

CVE-2025-62168 — Critical (CVSS 10.0): Squid is a caching proxy for the Web. In Squid versions prior to 7.2, a failure to redact HTTP authentication…
CVE-2025-68110 — Critical (CVSS 9.9): ChurchCRM is an open-source church management system. Versions prior to 6.5.3 may disclose database information in an…
CVE-2025-46658 — Critical (CVSS 9.8): An issue was discovered in ExonautWeb in 4C Strategies Exonaut 21.6. There are verbose error messages.
CVE-2024-28285 — Critical (CVSS 9.8): A Fault Injection vulnerability in the SymmetricDecrypt function in cryptopp/elgamal.h of Cryptopp Crypto++ 8.9, allows…
CVE-2023-40767 — Critical (CVSS 9.8): User enumeration is found in in PHPJabbers Make an Offer Widget v1.0. This issue occurs during password recovery, where…
CVE-2023-40766 — Critical (CVSS 9.8): User enumeration is found in in PHPJabbers Ticket Support Script v3.2. This issue occurs during password recovery,…

Browse all CWE-209 (Generation of Error Message Containing Sensitive Information) vulnerabilities →