Vulnerability · Published May 10, 2026 · Assigned by VulnCheck

CVE-2021-47951WordPress Picture Gallery 1.4.2 Stored XSS via Edit Content URL

Medium 6.4

In plain English

A medium-severity cross-site scripting in Picture Gallery from picture-gallery. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)6.4Medium

Exploit odds (30 days)0.2%top 91.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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 JavaScript payloads in the plugin options that are stored in the database and executed when the functionality is triggered, enabling session hijacking or credential theft.

Affected products (as reported)

Vendor	Product	Versions
picture-gallery	Picture Gallery	1.4.2

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References

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