CVE-2021-20831
Cross-site request forgery (CSRF) vulnerability in OG Tags versions prior to 2.0.2 allows a...
Cross-site request forgery (CSRF) vulnerability in OG Tags versions prior to 2.0.2 allows a remote attacker to hijack the authentication of administrators and unintended operation may be performed via unspecified vectors.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Cross-site request forgery (CSRF) vulnerability in OG Tags versions prior to 2.0.2 allows a remote attacker to hijack the authentication of administrators and unintended operation may be performed via unspecified vectors.
- Record
CVE-2021-20831- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE List No score
Cross-site request forgery (CSRF) vulnerability in OG Tags versions prior to 2.0.2 allows a remote attacker to hijack the authentication of administrators and unintended operation may be performed via unspecified vectors.
- Record
CVE-2021-20831- Updated
- 2026-11-02
EUVDEUVD-2021-8243 No score
Cross-site request forgery (CSRF) vulnerability in OG Tags versions prior to 2.0.2 allows a remote attacker to hijack the authentication of administrators and unintended operation may be performed via unspecified vectors.
- Record
EUVD-2021-8243- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w35x-3cc7-37pc No score
Cross-site request forgery (CSRF) vulnerability in OG Tags versions prior to 2.0.2 allows a...
Cross-site request forgery (CSRF) vulnerability in OG Tags versions prior to 2.0.2 allows a remote attacker to hijack the authentication of administrators and unintended operation may be performed via unspecified vectors.
- Record
GHSA-w35x-3cc7-37pc- Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20831 is a high vulnerability (CVSS 8.8) in Mario Valney Og Tags, published October 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.74%, the 54th percentile. No source names a fixed version.