How severe is CVE-2022-23049?

CVE-2022-23049 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-23049 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23049?

CVE-2022-23049 affects Exponentcms Exponent Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-23049?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-23049 published?

CVE-2022-23049 was published on 2022-02-09 and last updated on 2026-06-17.

CVE-2022-23049

CVE-2022-23049 is a medium-severity vulnerability in Exponentcms Exponent Cms with a CVSS 3.x base score of 5.4. 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: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Exponentcms Exponent Cms
Published: 2022-02-09
Last modified: 2026-06-17

Description

Exponent CMS 2.6.0patch2 allows an authenticated user to inject persistent JavaScript code on the "User-Agent" header when logging in. When an administrator user visits the "User Sessions" tab, the JavaScript will be triggered allowing an attacker to compromise the administrator session.

Frequently asked questions

What is CVE-2022-23049?: Exponent CMS 2.6.0patch2 allows an authenticated user to inject persistent JavaScript code on the "User-Agent" header when logging in. When an administrator user visits the "User Sessions" tab, the JavaScript will be triggered allowing an attacker to compromise the administrator session.
How severe is CVE-2022-23049?: CVE-2022-23049 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-23049 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23049?: CVE-2022-23049 affects Exponentcms Exponent Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-23049?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-23049 published?: CVE-2022-23049 was published on 2022-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:exponentcms:exponent_cms:2.6.0:patch2:*:*:*:*:*:*

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