VulnerabilityModified
CVE-2021-24857
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.
CRITICAL 9.8EPSS 1.84%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.84% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- nocean/totop link
- Source
- contact@wpscan.com
References
- https://wpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8eExploit, Third Party Advisory
- https://wpscan.com/vulnerability/518204d8-fbf5-4bfa-9db5-835f908f8d8eExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.