How severe is CVE-2026-24351?

CVE-2026-24351 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-2026-24351 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24351?

CVE-2026-24351 primarily affects Pluxml. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-24351?

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

Does CVE-2026-24351 have an EU (EUVD) identifier?

Yes. CVE-2026-24351 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9023.

When was CVE-2026-24351 published?

CVE-2026-24351 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2026-24351

CVE-2026-24351 is a medium-severity vulnerability in Pluxml 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 v4: 5.1
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9023
Weakness: CWE-79
Affected product: Pluxml
Published: 2026-02-27
Last modified: 2026-06-17

Description

PluXml CMS is vulnerable to Stored XSS in Static Pages editing functionality. Attacker with editing privileges can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting edited page. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only versions 5.8.21 and 5.9.0-rc7 were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

Frequently asked questions

What is CVE-2026-24351?: PluXml CMS is vulnerable to Stored XSS in Static Pages editing functionality. Attacker with editing privileges can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting edited page. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only versions 5.8.21 and 5.9.0-rc7 were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
How severe is CVE-2026-24351?: CVE-2026-24351 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-2026-24351 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24351?: CVE-2026-24351 primarily affects Pluxml. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-24351?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-24351 have an EU (EUVD) identifier?: Yes. CVE-2026-24351 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9023.
When was CVE-2026-24351 published?: CVE-2026-24351 was published on 2026-02-27 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:pluxml:pluxml:5.8.21:*:*:*:*:*:*:*
cpe:2.3:a:pluxml:pluxml:5.9.0:rc7:*:*:*:*:*:*

More vulnerabilities in Pluxml

CVE-2026-24352 — Critical (CVSS 9.8): PluXml CMS allows a user's session identifier to be set before authentication. The value of this session ID stays the…
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CVE-2024-22636 — High (CVSS 8.8): PluXml Blog v5.8.9 was discovered to contain a remote code execution (RCE) vulnerability in the Static Pages feature.…
CVE-2022-25018 — High (CVSS 8.8): Pluxml v5.8.7 was discovered to allow attackers to execute arbitrary code via crafted PHP code inserted into static…
CVE-2012-2227 — High (CVSS 7.5): Directory traversal vulnerability in update/index.php in PluXml before 5.1.6 allows remote attackers to include and…
CVE-2007-3432 — High (CVSS 7.5): Unrestricted file upload vulnerability in admin/images.php in Pluxml 0.3.1 allows remote attackers to upload and…

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