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CVE-2023-0147

MEDIUMCVSS 5.4/10EPSS 0.61%

Last modified

CVE-2023-0147 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1
5.4/10

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

EPSS Probability
0.61%

44.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
Flexible Captcha ProjectFlexible Captcha<= 4.1

References

Timeline

Published
Last Modified
Status
Modified

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 score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.
How do I fix CVE-2023-0147?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-0147?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST