CVE-2022-37721
PyroCMS vulnerable to stored Cross Site Scripting
PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS_ when a low privileged user such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.0
PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS_ when a low privileged user such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.
- Record
CVE-2022-37721- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List
9.0
PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS_ when a low privileged user such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.
- Record
CVE-2022-37721- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2022-7314
9.0
PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS_ when a low privileged user such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.
- Record
EUVD-2022-7314- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cm7f-hf2g-ghrp
9.0
PyroCMS vulnerable to stored Cross Site Scripting
PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS) when a low privileged user, such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.
- Record
GHSA-cm7f-hf2g-ghrp- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
9.0
PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS_ when a low privileged user such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.
- Record
CVE-2022-37721- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-cm7f-hf2g-ghrp
9.0
PyroCMS vulnerable to stored Cross Site Scripting
PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS) when a low privileged user, such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.
- Record
GHSA-cm7f-hf2g-ghrp- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pyrocms/pyrocmsPackagist |
through 3.9.1 | None known |
pyrocms/pyrocmsPackagist |
through 3.9.1, plus listed versions 3.0.0-alpha13.0.0-alpha23.4.11v2.3.0-alpha1v2.3.0-beta1 Show 45 moreShow lessv3.0.0v3.0.0-beta1v3.0.0-beta2v3.0.0-beta3v3.0.0-rc1v3.0.0-rc2v3.0.1v3.0.2v3.1.0v3.1.1v3.1.2v3.1.3v3.1.4v3.1.5v3.2.0v3.2.1v3.2.2v3.2.3v3.3.0v3.3.1v3.3.2v3.3.3v3.3.4v3.3.5v3.3.6v3.3.7v3.3.8v3.3.9v3.4.0v3.4.1v3.4.10v3.4.12v3.4.13v3.4.14v3.4.15v3.4.2v3.4.3v3.4.4v3.4.5v3.4.6v3.4.7v3.4.8v3.4.9v3.5.0v3.5.1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-37721 is a critical vulnerability (CVSS 9.0) in Pyrocms, published November 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.77%, the 55th percentile. No source names a fixed version.
References
Left out here: 16 versions. The JSON record has them.