How severe is CVE-2021-46253?

CVE-2021-46253 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-46253 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46253?

CVE-2021-46253 affects Anchorcms Anchor Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46253?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-46253 published?

CVE-2021-46253 was published on 2022-02-01 and last updated on 2026-06-17.

CVE-2021-46253

CVE-2021-46253 is a medium-severity vulnerability in Anchorcms Anchor Cms with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Anchorcms Anchor Cms
Published: 2022-02-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-46253?: 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.
How severe is CVE-2021-46253?: CVE-2021-46253 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-46253 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46253?: CVE-2021-46253 affects Anchorcms Anchor Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46253?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-46253 published?: CVE-2021-46253 was published on 2022-02-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:anchorcms:anchor_cms:0.12.7:*:*:*:*:*:*:*

More vulnerabilities in Anchorcms Anchor Cms

CVE-2020-23342 — High (CVSS 8.8): A CSRF vulnerability exists in Anchor CMS 0.12.7 anchor/views/users/edit.php that can change the Delete admin users.
CVE-2015-5687 — High (CVSS 7.5): system/session/drivers/cookie.php in Anchor CMS 0.9.x allows remote attackers to conduct PHP object injection attacks…
CVE-2024-29499 — High (CVSS 7.4): Anchor CMS v0.12.7 was discovered to contain a Cross-Site Request Forgery (CSRF) via /anchor/admin/users/delete/2.
CVE-2024-37732 — Medium (CVSS 6.1): Cross Site Scripting vulnerability in Anchor CMS v.0.12.7 allows a remote attacker to execute arbitrary code via a…
CVE-2021-44116 — Medium (CVSS 6.1): Cross Site Scripting (XSS) vulnerability exits in Anchor CMS <=0.12.7 in posts.php. Attackers can use the posts column…
CVE-2015-5060 — Medium (CVSS 6.1): Cross-site scripting (XSS) vulnerability in anchor-cms before 0.9-dev.

All CVEs affecting Anchorcms Anchor Cms →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →