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 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.

CVSS v4.0

5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

6.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

EPSS

0.19% chance of exploitation in the next 30 days, 8th percentile

Published

2026-05-10

Updated

2026-05-24

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/50187

References

• CVE Record
• NVD entry

Related

• CVE-2021-47950
• CVE-2021-47952
• CVE-2021-47949
• CVE-2021-47953
• CVE-2021-47948
• CVE-2021-47954