How severe is CVE-2021-43683?

CVE-2021-43683 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-43683 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43683?

CVE-2021-43683 affects Haschek Pictshare. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43683?

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

When was CVE-2021-43683 published?

CVE-2021-43683 was published on 2021-12-02 and last updated on 2026-06-17.

CVE-2021-43683

CVE-2021-43683 is a medium-severity vulnerability in Haschek Pictshare with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Haschek Pictshare
Published: 2021-12-02
Last modified: 2026-06-17

Description

pictshare v1.5 is affected by a Cross Site Scripting (XSS) vulnerability in api/info.php. The exit function will terminate the script and print the message which has $_REQUEST['hash'].

Frequently asked questions

What is CVE-2021-43683?: pictshare v1.5 is affected by a Cross Site Scripting (XSS) vulnerability in api/info.php. The exit function will terminate the script and print the message which has $_REQUEST['hash'].
How severe is CVE-2021-43683?: CVE-2021-43683 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-43683 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43683?: CVE-2021-43683 affects Haschek Pictshare. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43683?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-43683 published?: CVE-2021-43683 was published on 2021-12-02 and last updated on 2026-06-17.

References

https://github.com/HaschekSolutions/pictshare/issues/133

Affected products (1)

cpe:2.3:a:haschek:pictshare:1.5:*:*:*:*:*:*:*

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