CVE-2021-24857

ToTop Link <= 1.7.1 - Unauthenticated PHP Object Injection

The ToTop Link WordPress plugin through 1.7.1 passes base64 encoded user input to the unserialize() PHP function, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain.

Affected

ToTop Link

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

1.90% chance of exploitation in the next 30 days, 79th percentile

Published

2021-12-13

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8e

References

• CVE Record
• NVD entry