Vulnerability Details : CVE-2021-25977
In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-25977
- cpe:2.3:a:dotnetfoundation:piranha_cms:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-25977
0.32%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 54 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-25977
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
Mend |
CWE ids for CVE-2021-25977
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- vulnerabilitylab@mend.io (Secondary)
References for CVE-2021-25977
-
https://github.com/PiranhaCMS/piranha.core/commit/543bc53c7dbd28c793ec960b57fb0e716c6b18d7
Make sure page title isn't rendered as HTML. Fixes #1726 · PiranhaCMS/piranha.core@543bc53 · GitHubPatch;Third Party Advisory
-
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25977
CVE-2021-25977 | WhiteSource Vulnerability DatabaseThird Party Advisory
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