How severe is CVE-2016-7999?

CVE-2016-7999 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-7999 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7999?

CVE-2016-7999 affects Spip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-7999?

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-2016-7999 published?

CVE-2016-7999 was published on 2017-01-18 and last updated on 2026-06-17.

CVE-2016-7999

CVE-2016-7999 is a high-severity vulnerability in Spip with a CVSS 3.x base score of 7.4. 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-918.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 4.3
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Spip
Published: 2017-01-18
Last modified: 2026-06-17

Description

ecrire/exec/valider_xml.php in SPIP 3.1.2 and earlier allows remote attackers to conduct server side request forgery (SSRF) attacks via a URL in the var_url parameter in a valider_xml action.

Frequently asked questions

What is CVE-2016-7999?: ecrire/exec/valider_xml.php in SPIP 3.1.2 and earlier allows remote attackers to conduct server side request forgery (SSRF) attacks via a URL in the var_url parameter in a valider_xml action.
How severe is CVE-2016-7999?: CVE-2016-7999 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-7999 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7999?: CVE-2016-7999 affects Spip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-7999?: 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-2016-7999 published?: CVE-2016-7999 was published on 2017-01-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:*

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