How severe is CVE-2023-42628?

CVE-2023-42628 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-42628 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42628?

CVE-2023-42628 primarily affects Liferay Digital Experience Platform. In total, 104 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-42628?

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

When was CVE-2023-42628 published?

CVE-2023-42628 was published on 2023-10-17 and last updated on 2026-06-17.

CVE-2023-42628

CVE-2023-42628 is a critical-severity vulnerability in Liferay Digital Experience Platform with a CVSS 3.x base score of 9.0. 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: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Liferay Digital Experience Platform
Published: 2023-10-17
Last modified: 2026-06-17

Description

Stored cross-site scripting (XSS) vulnerability in the Wiki widget in Liferay Portal 7.1.0 through 7.4.3.87, and Liferay DXP 7.0 fix pack 83 through 102, 7.1 fix pack 28 and earlier, 7.2 fix pack 20 and earlier, 7.3 update 33 and earlier, and 7.4 before update 88 allows remote attackers to inject arbitrary web script or HTML into a parent wiki page via a crafted payload injected into a wiki page's ‘Content’ text field.

Frequently asked questions

What is CVE-2023-42628?: Stored cross-site scripting (XSS) vulnerability in the Wiki widget in Liferay Portal 7.1.0 through 7.4.3.87, and Liferay DXP 7.0 fix pack 83 through 102, 7.1 fix pack 28 and earlier, 7.2 fix pack 20 and earlier, 7.3 update 33 and earlier, and 7.4 before update 88 allows remote attackers to inject arbitrary web script or HTML into a parent wiki page via a crafted payload injected into a wiki page's ‘Content’ text field.
How severe is CVE-2023-42628?: CVE-2023-42628 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-42628 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42628?: CVE-2023-42628 primarily affects Liferay Digital Experience Platform. In total, 104 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-42628?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-42628 published?: CVE-2023-42628 was published on 2023-10-17 and last updated on 2026-06-17.

References

Affected products (104)

cpe:2.3:a:liferay:digital_experience_platform:7.0:-:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_1:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_10:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_11:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_12:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_13:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_14:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_15:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_16:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_17:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_18:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_19:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_2:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_20:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_21:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_22:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_23:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_24:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_25:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_26:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_27:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_28:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_29:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_3:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_30:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_31:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_32:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_33:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_34:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_35:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_36:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_37:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_38:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_39:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_4:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_40:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_41:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_42:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_43:*:*:*:*:*:*
cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_44:*:*:*:*:*:*

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