CVE-2022-27546: HCL iNotes is susceptible to a Reflected Cross-site Scripting (XSS) vulnerability caused by improper validatio

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HIGH 8.3DOWNGRADEDOWNGRADE

CVE-2022-27546 is a high-severity flaw (CVSS 8.3) affecting hcl inotes, domino. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HCL iNotes is susceptible to a Reflected Cross-site Scripting (XSS) vulnerability caused by improper validation of user-supplied input supplied with a form POST request. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim's web browser within the security context of the hosting web site and/or steal the victim's cookie-based authentication credentials.

Why this priority

High severity

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

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-08-29
Last modified	2026-06-17

Publisher (CNA): HCL Software · Vendor: hcltech

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

Am I affected?

Timeline

2022-08-29 16:15 UTCPublished CVE record published
2026-06-17 04:37 UTCUpdated Record last modified

hcltech hcl inotes DOWNGRADE

Affected: 9.0.1 · 9.0.1 fixpack_10 · 9.0.1 fixpack_3 · 9.0.1 fixpack_4 · 9.0.1 fixpack_5 · 9.0.1 fixpack_6 · 9.0.1 fixpack_7 · 9.0.1 fixpack_8

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0.1

1. Check installed version

apt-cache policy hcl-inotes || rpm -q hcl-inotes || hcl-inotes --version

2. No fixed release: DOWNGRADE to a release before 9.0.1 (Debian / Ubuntu)

apt-cache madison hcl-inotes sudo apt install hcl-inotes=<VERSION_BEFORE_9.0.1> sudo apt-mark hold hcl-inotes

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

dnf --showduplicates list hcl-inotes sudo dnf downgrade hcl-inotes-<VERSION_BEFORE_9.0.1> sudo dnf versionlock add hcl-inotes

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.

hcltech domino DOWNGRADE

Affected: 9.0 · 9.0.1 · 9.0.1 fixpack_10 · 9.0.1 fixpack_3 · 9.0.1 fixpack_4 · 9.0.1 fixpack_5 · 9.0.1 fixpack_6 · 9.0.1 fixpack_7

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 9.0 (Debian / Ubuntu)

apt-cache madison domino sudo apt install domino=<VERSION_BEFORE_9.0> sudo apt-mark hold domino

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

dnf --showduplicates list domino sudo dnf downgrade domino-<VERSION_BEFORE_9.0> sudo dnf versionlock add domino

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-2022-27546?

hcl inotes: downgrade or apply the listed mitigation; domino: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-27546 being exploited?

CVE-2022-27546 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-2022-27546 affect?

CVE-2022-27546 affects hcl inotes, domino. Severity is high (CVSS 8.3). HCL iNotes is susceptible to a Reflected Cross-site Scripting (XSS) vulnerability caused by improper validation of user-supplied input supplied with a form POST request. A remote attacker could exploit this vulnerability using a specially-c

How urgent is CVE-2022-27546?

Priority 42/100. High severity

Related CVEs

CVE-2022-27558 MEDIUM 5.9 DOWNGRADE DOWNGRADE HCL iNotes is susceptible to a Broken Password Strength Checks vulnerability
CVE-2022-27547 MEDIUM 6.1 DOWNGRADE DOWNGRADE HCL iNotes is susceptible to a link to non-existent domain vulnerability

References

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