How severe is CVE-2023-36140?

CVE-2023-36140 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-2023-36140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36140?

CVE-2023-36140 affects Phpjabbers Cleaning Business Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-36140?

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-2023-36140 published?

CVE-2023-36140 was published on 2023-09-11 and last updated on 2026-06-17.

CVE-2023-36140

CVE-2023-36140 is a critical-severity vulnerability in Phpjabbers Cleaning Business Software 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Phpjabbers Cleaning Business Software
Published: 2023-09-11
Last modified: 2026-06-17

Description

In PHPJabbers Cleaning Business Software 1.0, there is no encryption on user passwords allowing an attacker to gain access to all user accounts.

Frequently asked questions

What is CVE-2023-36140?: In PHPJabbers Cleaning Business Software 1.0, there is no encryption on user passwords allowing an attacker to gain access to all user accounts.
How severe is CVE-2023-36140?: CVE-2023-36140 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-2023-36140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36140?: CVE-2023-36140 affects Phpjabbers Cleaning Business Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-36140?: 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-2023-36140 published?: CVE-2023-36140 was published on 2023-09-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:cleaning_business_software:1.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Cleaning Business Software

CVE-2023-36139 — Critical (CVSS 9.8): In PHPJabbers Cleaning Business Software 1.0, lack of verification when changing an email address and/or password (on…
CVE-2023-51331 — Medium (CVSS 6.5): PHPJabbers Cleaning Business Software v1.0 is vulnerable to CSV Injection vulnerability which allows an attacker to…
CVE-2023-51327 — Medium (CVSS 6.5): A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Cleaning Business Software v1.0 allows attackers…
CVE-2023-51326 — Medium (CVSS 6.5): A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Cleaning Business Software v1.0 allows attackers…
CVE-2023-36138 — Medium (CVSS 6.1): PHPJabbers Cleaning Business Software 1.0 is vulnerable to Cross Site Scripting (XSS) via the theme parameter of…
CVE-2023-51328 — Medium (CVSS 5.4): PHPJabbers Cleaning Business Software v1.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) in the "c_name,…

All CVEs affecting Phpjabbers Cleaning Business Software →

Other CWE-862 (Missing Authorization) vulnerabilities

CVE-2026-101000 — Critical (CVSS 10.0): A vulnerability was determined in Netcore NBR100V2 1.3.240614.030928. This affects the function uci.apply of the file…
CVE-2026-97360 — Critical (CVSS 10.0): HFS2 version 2.4.0 and earlier contains an unauthenticated arbitrary file access vulnerability that allows…
CVE-2026-65381 — Critical (CVSS 10.0): A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the…
CVE-2026-81648 — Critical (CVSS 10.0): The CryptoPayment Gateway WordPress plugin from 1.2.1 to 1.2.2 does not apply an authorization check on one of its AJAX…
CVE-2026-77770 — Critical (CVSS 10.0): The miniOrange 2FA WordPress plugin before 6.3.1, miniOrange 2FA WordPress plugin before 19.3 does not require a…
CVE-2026-65667 — Critical (CVSS 10.0): Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-862 (Missing Authorization) vulnerabilities →