How severe is CVE-2022-43504?

CVE-2022-43504 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-43504 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43504?

CVE-2022-43504 affects Wordpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-43504?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-43504 published?

CVE-2022-43504 was published on 2022-12-05 and last updated on 2026-06-17.

CVE-2022-43504

CVE-2022-43504 is a medium-severity vulnerability in Wordpress with a CVSS 3.x base score of 5.3. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Wordpress
Published: 2022-12-05
Last modified: 2026-06-17

Description

Improper authentication vulnerability in WordPress versions prior to 6.0.3 allows a remote unauthenticated attacker to obtain the email address of the user who posted a blog using the WordPress Post by Email Feature. The developer also provides new patched releases for all versions since 3.7.

Frequently asked questions

What is CVE-2022-43504?: Improper authentication vulnerability in WordPress versions prior to 6.0.3 allows a remote unauthenticated attacker to obtain the email address of the user who posted a blog using the WordPress Post by Email Feature. The developer also provides new patched releases for all versions since 3.7.
How severe is CVE-2022-43504?: CVE-2022-43504 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-43504 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43504?: CVE-2022-43504 affects Wordpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-43504?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-43504 published?: CVE-2022-43504 was published on 2022-12-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*

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CVE-2009-2853 — Critical (CVSS 10.0): Wordpress before 2.8.3 allows remote attackers to gain privileges via a direct request to (1) admin-footer.php, (2)…
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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

64.202.190.35 (ipv4-addr)