How severe is CVE-2018-13423?

CVE-2018-13423 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-2018-13423 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13423?

CVE-2018-13423 affects Omeka. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-13423?

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

When was CVE-2018-13423 published?

CVE-2018-13423 was published on 2018-07-07 and last updated on 2026-06-17.

CVE-2018-13423

CVE-2018-13423 is a medium-severity vulnerability in Omeka 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)
CVSS v2: 4.3
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Omeka
Published: 2018-07-07
Last modified: 2026-06-17

Description

admin/themes/default/items/tag-form.php in Omeka before 2.6.1 allows XSS by adding or editing a tag.

Frequently asked questions

What is CVE-2018-13423?: admin/themes/default/items/tag-form.php in Omeka before 2.6.1 allows XSS by adding or editing a tag.
How severe is CVE-2018-13423?: CVE-2018-13423 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-2018-13423 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13423?: CVE-2018-13423 affects Omeka. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-13423?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-13423 published?: CVE-2018-13423 was published on 2018-07-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:omeka:omeka:*:*:*:*:*:*:*:*

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