XSS in Enviragallery Envira_gallery

CVE-2020-35581

A stored cross-site scripting (XSS) issue in Envira Gallery Lite before 1.8.3.3 allows remote attackers to inject arbitrary JavaScript/HTML code via a POST /wp-admin/admin-ajax.php request with the meta[title] parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.013 (67.8th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2020-35581?
CVE-2020-35581 is a medium-severity vulnerability in Enviragallery Envira_gallery, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-01-15.
How severe is CVE-2020-35581?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2020-35581 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.