CVE-2023-36141: User enumeration is found in in PHPJabbers Cleaning Business Software 1.0

Routine

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2023-36141 is a medium-severity flaw (CVSS 5.3) affecting cleaning business software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

User enumeration is found in in PHPJabbers Cleaning Business Software 1.0. 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.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Published	2023-08-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: phpjabbers

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-08-04 00:15 UTCPublished CVE record published
2026-06-17 06:05 UTCUpdated Record last modified

phpjabbers cleaning business software DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy cleaning-business-software || rpm -q cleaning-business-software || cleaning-business-software --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison cleaning-business-software sudo apt install cleaning-business-software=<VERSION_BEFORE_1.0> sudo apt-mark hold cleaning-business-software

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cleaning-business-software sudo dnf downgrade cleaning-business-software-<VERSION_BEFORE_1.0> sudo dnf versionlock add cleaning-business-software

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-36141?

cleaning business software: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-36141 being exploited?

CVE-2023-36141 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-36141 affect?

CVE-2023-36141 affects cleaning business software. Severity is medium (CVSS 5.3). User enumeration is found in in PHPJabbers Cleaning Business Software 1.0. 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 a

How urgent is CVE-2023-36141?

Priority 35/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-51331 MEDIUM 6.5 DOWNGRADE PHPJabbers Cleaning Business Software v1.0 is vulnerable to CSV Injection vulnerability which allows an attack
CVE-2023-51328 MEDIUM 5.4 DOWNGRADE PHPJabbers Cleaning Business Software v1.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) in the
CVE-2023-51327 MEDIUM 6.5 DOWNGRADE A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Cleaning Business Software v1.0 allows
CVE-2023-51326 MEDIUM 6.5 DOWNGRADE A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Cleaning Business Software v1.0 allows
CVE-2023-4115 MEDIUM 4.3 DOWNGRADE A vulnerability classified as problematic has been found in PHP Jabbers Cleaning Business 1.0

References

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