How severe is CVE-2026-30452?

CVE-2026-30452 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-30452 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30452?

CVE-2026-30452 affects Textpattern. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30452?

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

Does CVE-2026-30452 have an EU (EUVD) identifier?

Yes. CVE-2026-30452 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24160.

When was CVE-2026-30452 published?

CVE-2026-30452 was published on 2026-04-21 and last updated on 2026-06-17.

CVE-2026-30452

CVE-2026-30452 is a medium-severity vulnerability in Textpattern with a CVSS 3.x base score of 6.5. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24160
Weakness: CWE-284
Affected product: Textpattern
Published: 2026-04-21
Last modified: 2026-06-17

Description

Textpattern CMS 4.9.0 contains a Broken Access Control vulnerability in the article management system that allows authenticated users with low privileges to modify articles owned by users with higher privileges. By manipulating the article ID parameter during the duplicate-and-save workflow in textpattern/include/txp_article.php, an attacker can bypass authorization checks and overwrite content belonging to other users.

Frequently asked questions

What is CVE-2026-30452?: Textpattern CMS 4.9.0 contains a Broken Access Control vulnerability in the article management system that allows authenticated users with low privileges to modify articles owned by users with higher privileges. By manipulating the article ID parameter during the duplicate-and-save workflow in textpattern/include/txp_article.php, an attacker can bypass authorization checks and overwrite content belonging to other users.
How severe is CVE-2026-30452?: CVE-2026-30452 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-30452 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30452?: CVE-2026-30452 affects Textpattern. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30452?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-30452 have an EU (EUVD) identifier?: Yes. CVE-2026-30452 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24160.
When was CVE-2026-30452 published?: CVE-2026-30452 was published on 2026-04-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:textpattern:textpattern:4.9.0:-:*:*:*:*:*:*

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