How severe is CVE-2019-15858?

CVE-2019-15858 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-15858 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15858?

CVE-2019-15858 affects Webcraftic Woody Ad Snippets. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15858?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-15858 published?

CVE-2019-15858 was published on 2019-09-03 and last updated on 2026-06-17.

CVE-2019-15858

CVE-2019-15858 is a high-severity vulnerability in Webcraftic Woody Ad Snippets with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 21% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Webcraftic Woody Ad Snippets
Published: 2019-09-03
Last modified: 2026-06-17

Description

admin/includes/class.import.snippet.php in the "Woody ad snippets" plugin before 2.2.5 for WordPress allows unauthenticated options import, as demonstrated by storing an XSS payload for remote code execution.

Frequently asked questions

What is CVE-2019-15858?: admin/includes/class.import.snippet.php in the "Woody ad snippets" plugin before 2.2.5 for WordPress allows unauthenticated options import, as demonstrated by storing an XSS payload for remote code execution.
How severe is CVE-2019-15858?: CVE-2019-15858 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-15858 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15858?: CVE-2019-15858 affects Webcraftic Woody Ad Snippets. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15858?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-15858 published?: CVE-2019-15858 was published on 2019-09-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:webcraftic:woody_ad_snippets:*:*:*:*:*:wordpress:*:*

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