How severe is CVE-2019-20209?

CVE-2019-20209 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-20209 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20209?

CVE-2019-20209 primarily affects Cththemes Citybook. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-20209?

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-2019-20209 published?

CVE-2019-20209 was published on 2020-01-13 and last updated on 2026-06-17.

CVE-2019-20209

CVE-2019-20209 is a high-severity vulnerability in Cththemes Citybook with a CVSS 3.x base score of 7.5. 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-79.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.4
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cththemes Citybook
Published: 2020-01-13
Last modified: 2026-06-17

Description

The CTHthemes CityBook before 2.3.4, TownHub before 1.0.6, and EasyBook before 1.2.2 themes for WordPress allow nsecure Direct Object Reference (IDOR) via wp-admin/admin-ajax.php to delete any page/post/listing.

Frequently asked questions

What is CVE-2019-20209?: The CTHthemes CityBook before 2.3.4, TownHub before 1.0.6, and EasyBook before 1.2.2 themes for WordPress allow nsecure Direct Object Reference (IDOR) via wp-admin/admin-ajax.php to delete any page/post/listing.
How severe is CVE-2019-20209?: CVE-2019-20209 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-20209 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20209?: CVE-2019-20209 primarily affects Cththemes Citybook. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-20209?: 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-2019-20209 published?: CVE-2019-20209 was published on 2020-01-13 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:cththemes:citybook:*:*:*:*:*:wordpress:*:*
cpe:2.3:a:cththemes:easybook:*:*:*:*:*:wordpress:*:*
cpe:2.3:a:cththemes:townhub:*:*:*:*:*:wordpress:*:*

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CVE-2019-20212 — Medium (CVSS 6.1): The CTHthemes CityBook before 2.3.4, TownHub before 1.0.6, and EasyBook before 1.2.2 themes for WordPress allow…
CVE-2019-20211 — Medium (CVSS 6.1): The CTHthemes CityBook before 2.3.4, TownHub before 1.0.6, and EasyBook before 1.2.2 themes for WordPress allow…
CVE-2019-20210 — Medium (CVSS 6.1): The CTHthemes CityBook before 2.3.4, TownHub before 1.0.6, and EasyBook before 1.2.2 themes for WordPress allow…

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