How severe is CVE-2020-15514?

CVE-2020-15514 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-2020-15514 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15514?

CVE-2020-15514 affects Jh Captcha Project Jh Captcha. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15514?

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

When was CVE-2020-15514 published?

CVE-2020-15514 was published on 2020-07-07 and last updated on 2026-06-17.

CVE-2020-15514

CVE-2020-15514 is a medium-severity vulnerability in Jh Captcha Project Jh 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. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jh Captcha Project Jh Captcha
Published: 2020-07-07
Last modified: 2026-06-17

Description

The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.

Frequently asked questions

What is CVE-2020-15514?: The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.
How severe is CVE-2020-15514?: CVE-2020-15514 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-2020-15514 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15514?: CVE-2020-15514 affects Jh Captcha Project Jh Captcha. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15514?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15514 published?: CVE-2020-15514 was published on 2020-07-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jh_captcha_project:jh_captcha:*:*:*:*:*:typo3:*:*

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