CVE-2023-0147

CVE-2023-0147 is a medium-severity vulnerability in Flexible Captcha Project Flexible Captcha with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The Flexible Captcha WordPress plugin through 4.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Frequently asked questions

What is CVE-2023-0147?
The Flexible Captcha WordPress plugin through 4.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
How severe is CVE-2023-0147?
CVE-2023-0147 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-0147 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-2023-0147?
CVE-2023-0147 affects Flexible Captcha Project Flexible Captcha. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0147?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0147 published?
CVE-2023-0147 was published on 2023-02-06 and last updated on 2026-06-17.

References

Affected products (1)