How severe is CVE-2021-36805?

CVE-2021-36805 has a CVSS 3.x base score of 5.2, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2021-36805 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-2021-36805?

CVE-2021-36805 affects Akaunting. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36805?

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

When was CVE-2021-36805 published?

CVE-2021-36805 was published on 2021-08-04 and last updated on 2026-06-17.

CVE-2021-36805

CVE-2021-36805 is a medium-severity vulnerability in Akaunting with a CVSS 3.x base score of 5.2. 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 5.2)
CVSS v2: 3.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Akaunting
Published: 2021-08-04
Last modified: 2026-06-17

Description

Akaunting version 2.1.12 and earlier suffers from a persistent (type II) cross-site scripting (XSS) vulnerability in the sales invoice processing component of the application. This issue was fixed in version 2.1.13 of the product.

Frequently asked questions

What is CVE-2021-36805?: Akaunting version 2.1.12 and earlier suffers from a persistent (type II) cross-site scripting (XSS) vulnerability in the sales invoice processing component of the application. This issue was fixed in version 2.1.13 of the product.
How severe is CVE-2021-36805?: CVE-2021-36805 has a CVSS 3.x base score of 5.2, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2021-36805 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-2021-36805?: CVE-2021-36805 affects Akaunting. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36805?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36805 published?: CVE-2021-36805 was published on 2021-08-04 and last updated on 2026-06-17.

References

https://www.rapid7.com/blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/

Affected products (1)

cpe:2.3:a:akaunting:akaunting:*:*:*:*:*:*:*:*

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