CVE-2022-29940: In LibreHealth EHR 2.0.0, lack of sanitization of the GET parameters formseq and formid in interface\orders\fi

Routine

MEDIUM 5.4DOWNGRADE

CVE-2022-29940 is a medium-severity flaw (CVSS 5.4) affecting librehealth ehr. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In LibreHealth EHR 2.0.0, lack of sanitization of the GET parameters formseq and formid in interface\orders\find_order_popup.php leads to multiple cross-site scripting (XSS) vulnerabilities.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-05-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: librehealth

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

Am I affected?

Timeline

2022-05-05 12:15 UTCPublished CVE record published
2026-06-17 04:41 UTCUpdated Record last modified

librehealth librehealth ehr DOWNGRADE

Affected: 2.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.0

1. Check installed version

apt-cache policy librehealth-ehr || rpm -q librehealth-ehr || librehealth-ehr --version

2. No fixed release: DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison librehealth-ehr sudo apt install librehealth-ehr=<VERSION_BEFORE_2.0.0> sudo apt-mark hold librehealth-ehr

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

dnf --showduplicates list librehealth-ehr sudo dnf downgrade librehealth-ehr-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add librehealth-ehr

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-2022-29940?

librehealth ehr: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-29940 being exploited?

CVE-2022-29940 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-2022-29940 affect?

CVE-2022-29940 affects librehealth ehr. Severity is medium (CVSS 5.4). In LibreHealth EHR 2.0.0, lack of sanitization of the GET parameters formseq and formid in interface\orders\find_order_popup.php leads to multiple cross-site scripting (XSS) vulnerabilities.

How urgent is CVE-2022-29940?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-31498 MEDIUM 6.1 DOWNGRADE LibreHealth EHR Base 2.0.0 allows interface/orders/patient_match_dialog.php key XSS.
CVE-2022-31497 MEDIUM 6.1 DOWNGRADE LibreHealth EHR Base 2.0.0 allows interface/main/finder/finder_navigation.php patient XSS.
CVE-2022-31496 HIGH 8.8 DOWNGRADE LibreHealth EHR Base 2.0.0 allows incorrect interface/super/manage_site_files.php access.
CVE-2022-31495 MEDIUM 6.1 DOWNGRADE LibreHealth EHR Base 2.0.0 allows gacl/admin/acl_admin.php return_page XSS.
CVE-2022-31494 MEDIUM 6.1 DOWNGRADE LibreHealth EHR Base 2.0.0 allows gacl/admin/acl_admin.php action XSS.

References

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