TI-2021-21136 Aliases CVE-2021-46253 GHSA-7r9c-fccw-3vrf

A cross-site scripting (XSS) vulnerability in the Create Post function of Anchor CMS…

LOW 25CWE-79Published 2022-02-01 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

A cross-site scripting (XSS) vulnerability in the Create Post function of Anchor CMS v0.12.7 allows attackers to execute arbitrary web scripts or HTML.

Why it matters now

EPSS 0.00617 49th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:anchorcms:anchor_cms:0.12.7:::::::*	0.12.7	Vulnerable	anchorcms

cpe:2.3:a:anchorcms:anchor_cms:0.12.7:*:*:*:*:*:*:* Versions 0.12.7 Vulnerable ·anchorcms

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-46253
2026-10-03 Alias added: GHSA-7r9c-fccw-3vrf

References

Exploit 1

https://github.com/Nguyen-Trung-Kien/CVE/blob/main/CVE-2021-46253/CVE-2021-46253.pdf

Advisory 1

https://anchorcms.com

TI-2024-25129 Cross Site Scripting vulnerability in Anchor CMS v.0.12.7 allows a remote attacker to… CVSS 3.1HIGH 8.8
TI-2024-19470 Anchor CMS v0.12.7 was discovered to contain a Cross-Site Request Forgery (CSRF) via /anchor/admin/users/delete/2. CVSS 3.1HIGH 7.4
TI-2025-28918 A stored cross-site scripting (XSS) vulnerability in Anchor CMS v0.12.7 allows attackers… CVSS 3.1MEDIUM 5.4
TI-2020-14539 A CSRF vulnerability exists in Anchor CMS 0.12.7 anchor/views/users/edit.php that can change the Delete admin users. CVSS 3.1HIGH 8.8
TI-2024-19430 Anchor CMS v0.12.7 was discovered to contain a Cross-Site Request Forgery (CSRF) via /anchor/admin/categories/delete/2. CVSS 3.1LOW 2.4
TI-2015-04793 system/session/drivers/cookie.php in Anchor CMS 0.9.x allows remote attackers to conduct… CVSS 2.0HIGH 7.5

See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences