What is CVE-2021-47951?

CVE-2021-47951 is a medium-severity vulnerability in Picture-gallery Picture Gallery, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-05-10.

How severe is CVE-2021-47951?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Picture-gallery Picture Gallery

CVE-2021-47951

WordPress Picture Gallery 1.4.2 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the Edit Content URL field in the Access Control settings. Attackers can enter Jav…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Picture-gallery Picture Gallery — versions 1.4.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

ExploitDB-50187 (exploit)
Product Reference (product)
VulnCheck Advisory: WordPress Picture Gallery 1.4.2 Stored XSS via Edit Content URL (third-party-advisory)

Frequently asked questions

What is CVE-2021-47951?: CVE-2021-47951 is a medium-severity vulnerability in Picture-gallery Picture Gallery, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-05-10.
How severe is CVE-2021-47951?: Medium severity. CVSS v3 base score is 6.4 out of 10.