Simple Download Monitor < 3.9.9 - Multiple CSRF

published 2022-01-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11608

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

The Simple Download Monitor WordPress plugin before 3.9.9 does not enforce nonce checks, which could allow attackers to perform CSRF attacks to 1) make admins export logs to exploit a separate log disclosure vulnerability (fixed in 3.9.6), 2) delete logs (fixed in 3.9.9), 3) remove thumbnail image from downloads

Patch / fix

fixed in 1

tipsandtricks-hq simple_download_monitor 3.9.9

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/e94772af-39ac-4743-a556-52351ebda9fe referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Unknown Simple Download Monitor

Classification

Weakness

CWE-352 Cross-Site Request Forgery

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/e94772af-39ac-4743-a556-52351ebda9fe
exploit, third-party-advisory

Sources

CVE List CVE-2021-24696
NVD CVE-2021-24696

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary