CVE-2021-24812

MEDIUMNVD 5.45.4—

5.4

The BetterLinks WordPress plugin before 1.2.6 does not sanitise and escape some of imported link fields, which could lead to Stored Cross-Site Scripting issues when an admin import a malicious CSV.

CVSS v3: 5.4
EG Score: 5.4(medium)
EPSS: 39.4%
KEV: Not listed

Published

November 23, 2021

Last Modified

November 21, 2024

References (2)

contact@wpscanhttps://wpscan.com/vulnerability/6bc8fff1-ff10-4175-8a46-563f0f26f96a
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/6bc8fff1-ff10-4175-8a46-563f0f26f96a

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2021-24812?

CVE-2021-24812 is a medium vulnerability published on November 23, 2021. The BetterLinks WordPress plugin before 1.2.6 does not sanitise and escape some of imported link fields, which could lead to Stored Cross-Site Scripting issues when an admin import a malicious CSV.

When was CVE-2021-24812 disclosed?

CVE-2021-24812 was first published in the National Vulnerability Database on November 23, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-24812 actively exploited?

CVE-2021-24812 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-24812?

CVE-2021-24812 has a CVSS v3 base score of 5.4 (NVD).

How do I remediate CVE-2021-24812?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-24812, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-24812

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-24812?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)