XSS in Enviragallery Envira_gallery

CVE-2021-24126

Unvalidated input and lack of output encoding in the Envira Gallery Lite WordPress plugin, versions before 1.8.3.3, did not properly sanitise the images metadata (namely title) before outputting them in the generated gallery, which could l…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (46.9th 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

Frequently asked questions

What is CVE-2021-24126?
CVE-2021-24126 is a medium-severity vulnerability in Enviragallery Envira_gallery, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-03-18.
How severe is CVE-2021-24126?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24126 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.