CVE-2021-36803 json
Akaunting Avatar Persistent XSS
published 2021-08-04 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23380
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
Akaunting version 2.1.12 and earlier suffers from a persistent (type II) cross-site scripting (XSS) vulnerability in processing user-supplied avatar images. This issue was fixed in version 2.1.13 of the product.
Patch / fix
- akaunting akaunting 2.1.13
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- rapid7.com https://www.rapid7.com/blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Akaunting Akaunting
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
rapid7.com
/blog/post/2021/07/27/multiple-open-source-web-app-vulnerabilities-fixed/
exploit, third-party-advisory
Sources
- CVE List CVE-2021-36803
- NVD CVE-2021-36803
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