CVE-2021-24804

CVE-2021-24804 is a high-severity vulnerability in Simple Jwt Login Project Simple Jwt Login with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Description

The Simple JWT Login WordPress plugin before 3.2.1 does not have nonce checks when saving its settings, allowing attackers to make a logged in admin changed them. Settings such as HMAC verification secret, account registering and default user roles can be updated, which could result in site takeover.

Frequently asked questions

What is CVE-2021-24804?
The Simple JWT Login WordPress plugin before 3.2.1 does not have nonce checks when saving its settings, allowing attackers to make a logged in admin changed them. Settings such as HMAC verification secret, account registering and default user roles can be updated, which could result in site takeover.
How severe is CVE-2021-24804?
CVE-2021-24804 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24804 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24804?
CVE-2021-24804 affects Simple Jwt Login Project Simple Jwt Login. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24804?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-24804 published?
CVE-2021-24804 was published on 2021-11-17 and last updated on 2026-06-17.

References

Affected products (1)

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