How severe is CVE-2026-48942?

CVE-2026-48942 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-48942 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48942?

CVE-2026-48942 affects Joomlaworks K2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-48942?

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

Does CVE-2026-48942 have an EU (EUVD) identifier?

Yes. CVE-2026-48942 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39439.

When was CVE-2026-48942 published?

CVE-2026-48942 was published on 2026-06-25 and last updated on 2026-06-28.

CVE-2026-48942

CVE-2026-48942 is a medium-severity vulnerability in Joomlaworks K2 with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39439
Weakness: CWE-79
Affected product: Joomlaworks K2
Published: 2026-06-25
Last modified: 2026-06-28

Description

K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.

Frequently asked questions

What is CVE-2026-48942?: K2 ≤ 2.26 renders the `#__k2_users.image` column directly into HTML `src` attributes via two distinct templates, in both cases without HTML escaping.
How severe is CVE-2026-48942?: CVE-2026-48942 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-48942 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48942?: CVE-2026-48942 affects Joomlaworks K2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-48942?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-48942 have an EU (EUVD) identifier?: Yes. CVE-2026-48942 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39439.
When was CVE-2026-48942 published?: CVE-2026-48942 was published on 2026-06-25 and last updated on 2026-06-28.

References

https://www.getk2.org/

Affected products (1)

cpe:2.3:a:joomlaworks:k2:*:*:*:*:*:joomla\!:*:*

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