CVE-2018-1999022: PEAR HTML_QuickForm version 3.2.14 contains an eval injection (CWE-95) vulnerability in HTML_QuickForm's getSu

Q: How do I fix CVE-2018-1999022?

html quickform: downgrade or apply the listed mitigation; civicrm: upgrade to newer than 4.6.37. Exact commands for each OS are on this page.

Q: Is CVE-2018-1999022 being exploited?

CVE-2018-1999022 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-1999022 affect?

CVE-2018-1999022 affects html quickform, civicrm. Severity is critical (CVSS 9.8). PEAR HTML_QuickForm version 3.2.14 contains an eval injection (CWE-95) vulnerability in HTML_QuickForm's getSubmitValue method, HTML_QuickForm's validate method, HTML_QuickForm_hierselect's _setOptions method, HTML_QuickForm_element's _find

Q: How urgent is CVE-2018-1999022?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEDOWNGRADEUPGRADE

CVE-2018-1999022 is a critical-severity flaw (CVSS 9.8) affecting html quickform, civicrm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PEAR HTML_QuickForm version 3.2.14 contains an eval injection (CWE-95) vulnerability in HTML_QuickForm's getSubmitValue method, HTML_QuickForm's validate method, HTML_QuickForm_hierselect's _setOptions method, HTML_QuickForm_element's _findValue method, HTML_QuickForm_element's _prepareValue method. that can result in Possible information disclosure, possible impact on data integrity and execution of arbitrary code. This attack appear to be explo

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.2% (top 17%)
CISA exploited list	No
Weakness	CWE-94
Published	2018-07-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: civicrm · html quickform project

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

Am I affected?

Timeline

2018-07-23 16:29 UTCPublished CVE record published
2026-06-17 01:48 UTCUpdated Record last modified

html quickform project html quickform DOWNGRADE

Affected: 3.2.14

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.14

1. Check installed version

apt-cache policy html-quickform || rpm -q html-quickform || html-quickform --version

2. No fixed release: DOWNGRADE to a release before 3.2.14 (Debian / Ubuntu)

apt-cache madison html-quickform sudo apt install html-quickform=<VERSION_BEFORE_3.2.14> sudo apt-mark hold html-quickform

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

dnf --showduplicates list html-quickform sudo dnf downgrade html-quickform-<VERSION_BEFORE_3.2.14> sudo dnf versionlock add html-quickform

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.

civicrm civicrm UPGRADE

Affected: <= 4.6.37 · 5.3.0

Fixed in: newer than 4.6.37

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy civicrm || rpm -q civicrm || civicrm --version

2. UPGRADE to newer than 4.6.37 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade civicrm

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade civicrm

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2018-1999022?

html quickform: downgrade or apply the listed mitigation; civicrm: upgrade to newer than 4.6.37. Exact commands for each OS are on this page.

Is CVE-2018-1999022 being exploited?

CVE-2018-1999022 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-2018-1999022 affect?

CVE-2018-1999022 affects html quickform, civicrm. Severity is critical (CVSS 9.8). PEAR HTML_QuickForm version 3.2.14 contains an eval injection (CWE-95) vulnerability in HTML_QuickForm's getSubmitValue method, HTML_QuickForm's validate method, HTML_QuickForm_hierselect's _setOptions method, HTML_QuickForm_element's _find

How urgent is CVE-2018-1999022?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

References

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