How severe is CVE-2022-27546?

CVE-2022-27546 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2022-27546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27546?

CVE-2022-27546 primarily affects Hcltech Hcl Inotes. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-27546?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-27546 published?

CVE-2022-27546 was published on 2022-08-29 and last updated on 2026-06-17.

CVE-2022-27546

CVE-2022-27546 is a high-severity vulnerability in Hcltech Hcl Inotes with a CVSS 3.x base score of 8.3. 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-79.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hcltech Hcl Inotes
Published: 2022-08-29
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2022-27546?: 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.
How severe is CVE-2022-27546?: CVE-2022-27546 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2022-27546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27546?: CVE-2022-27546 primarily affects Hcltech Hcl Inotes. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-27546?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-27546 published?: CVE-2022-27546 was published on 2022-08-29 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0100216

Affected products (59)

cpe:2.3:a:hcltech:hcl_inotes:9.0.1:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:9.0.1:fixpack_10:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:9.0.1:fixpack_3:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:9.0.1:fixpack_4:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:9.0.1:fixpack_5:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:9.0.1:fixpack_6:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:9.0.1:fixpack_7:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:9.0.1:fixpack_8:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:9.0.1:fixpack_9:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack_1:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack_2:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack_3:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack_4:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack_5:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack_6:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack_7:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:10.0.1:fixpack_8:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:11.0:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:11.0.1:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:11.0.1:fixpack_1:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:11.0.1:fixpack_2:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:11.0.1:fixpack_3:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:11.0.1:fixpack_4:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:11.0.1:fixpack_5:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:12.0:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:12.0.1:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:hcl_inotes:12.0.1:fixpack_1:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:fixpack_10:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:fixpack_3:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:fixpack_4:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:fixpack_5:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:fixpack_6:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:fixpack_7:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:fixpack_8:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:9.0.1:fixpack_9:*:*:*:*:*:*
cpe:2.3:a:hcltech:domino:10.0:*:*:*:*:*:*:*

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CVE-2020-14271 — Medium (CVSS 6.1): HCL iNotes v9, v10 and v11 is susceptible to a Stored Cross-Site Scripting (XSS) vulnerability due to improper handling…
CVE-2022-27558 — Medium (CVSS 5.9): HCL iNotes is susceptible to a Broken Password Strength Checks vulnerability. Custom password policies are not enforced…
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