Is CVE-2021-24783 in the CISA KEV catalog?

No. CVE-2021-24783 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-24783?

CVE-2021-24783 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-24783?

CVE-2021-24783 has an EPSS score of 0.80% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-24783?

Upgrade post expirator to 2.6.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-24783

MEDIUM

6.5

CVSS v3

NVD

Description

The Post Expirator WordPress plugin before 2.6.0 does not have proper capability checks in place, which could allow users with a role as low as Contributor to schedule deletion of arbitrary posts.

CWE-863Incorrect Authorization

How to fix

Remediation Available

post expiratorNVD

Affected:< 2.6.0Fixed in:2.6.0CVE-2021-24783derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.80%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Exploit1

wpscan.com

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.