XSS in Spip
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (46.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Spip — versions 4.0.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-44120?
- CVE-2021-44120 is a medium-severity vulnerability in Spip, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-01-26.
- How severe is CVE-2021-44120?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2021-44120 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.