CVE-2021-24518

The WPFront Notification Bar WordPress plugin before 2.0.0.07176 does not sanitise or escape its Custom CSS setting, allowing high privilege users such as admin to set XSS payload in it even when the unfiltered_html capability is disallowed, leading to an authenticated Stored Cross-Site Scripting issue

CVSS v3.1

4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

3.5 LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS

0.69% chance of exploitation in the next 30 days, 51th percentile

Published

2021-08-16

Updated

2024-08-03

Proof-of-concept exploits (2)

• https://packetstormsecurity.com/files/163472/
• https://wpscan.com/vulnerability/53103cdc-a4bf-40fa-aeb1-790fc7a65f0a

References

• CVE Record
• NVD entry

Related

• CVE-2021-24517
• CVE-2021-24519
• CVE-2021-24516
• CVE-2021-24520
• CVE-2021-24515
• CVE-2021-24521