How severe is CVE-2021-44120?

CVE-2021-44120 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-2021-44120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44120?

CVE-2021-44120 affects Spip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44120?

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

When was CVE-2021-44120 published?

CVE-2021-44120 was published on 2022-01-26 and last updated on 2026-06-17.

CVE-2021-44120

CVE-2021-44120 is a medium-severity vulnerability in Spip 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 v2: 3.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Spip
Published: 2022-01-26
Last modified: 2026-06-17

Description

SPIP 4.0.0 is affected by a Cross Site Scripting (XSS) vulnerability in ecrire/public/interfaces.php, adding the function safehtml to the vulnerable fields. An editor is able to modify his personal information. If the editor has an article written and available, when a user goes to the public site and wants to read the author's information, the malicious code will be executed. The "Who are you" and "Website Name" fields are vulnerable.

Frequently asked questions

What is CVE-2021-44120?: SPIP 4.0.0 is affected by a Cross Site Scripting (XSS) vulnerability in ecrire/public/interfaces.php, adding the function safehtml to the vulnerable fields. An editor is able to modify his personal information. If the editor has an article written and available, when a user goes to the public site and wants to read the author's information, the malicious code will be executed. The "Who are you" and "Website Name" fields are vulnerable.
How severe is CVE-2021-44120?: CVE-2021-44120 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-2021-44120 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44120?: CVE-2021-44120 affects Spip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44120?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-44120 published?: CVE-2021-44120 was published on 2022-01-26 and last updated on 2026-06-17.

References

https://git.spip.net/spip/spip/commit/d548391d799387d1e93cf1a369d385c72f7d5c81

Affected products (1)

cpe:2.3:a:spip:spip:4.0.0:*:*:*:*:*:*:*

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