How severe is CVE-2013-2173?

CVE-2013-2173 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-2173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2173?

CVE-2013-2173 affects Wordpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-2173?

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

When was CVE-2013-2173 published?

CVE-2013-2173 was published on 2013-06-21 and last updated on 2026-06-16.

CVE-2013-2173

CVE-2013-2173 is a medium-severity vulnerability in Wordpress with a CVSS 2.0 base score of 4.3. 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Wordpress
Published: 2013-06-21
Last modified: 2026-06-16

Description

wp-includes/class-phpass.php in WordPress 3.5.1, when a password-protected post exists, allows remote attackers to cause a denial of service (CPU consumption) via a crafted value of a certain wp-postpass cookie.

Frequently asked questions

What is CVE-2013-2173?: wp-includes/class-phpass.php in WordPress 3.5.1, when a password-protected post exists, allows remote attackers to cause a denial of service (CPU consumption) via a crafted value of a certain wp-postpass cookie.
How severe is CVE-2013-2173?: CVE-2013-2173 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-2173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2173?: CVE-2013-2173 affects Wordpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-2173?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-2173 published?: CVE-2013-2173 was published on 2013-06-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:wordpress:wordpress:3.5.1:*:*:*:*:*:*:*

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