CVE-2020-9743
CVE-2020-9743 is a medium-severity vulnerability in Adobe Experience Manager with a CVSS 3.x base score of 5.3. 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 5.3)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Adobe Experience Manager
- Published:
- Last modified:
Description
AEM versions 6.5.5.0 (and below), 6.4.8.1 (and below), 6.3.3.8 (and below) and 6.2 SP1-CFP20 (and below) are affected by an HTML injection vulnerability in the content editor component that allows unauthenticated users to craft an HTTP request that includes arbitrary HTML code in a parameter value. An attacker could then use the malicious GET request to lure victims to perform unsafe actions in the page (ex. phishing).
Frequently asked questions
- What is CVE-2020-9743?
- AEM versions 6.5.5.0 (and below), 6.4.8.1 (and below), 6.3.3.8 (and below) and 6.2 SP1-CFP20 (and below) are affected by an HTML injection vulnerability in the content editor component that allows unauthenticated users to craft an HTTP request that includes arbitrary HTML code in a parameter value. An attacker could then use the malicious GET request to lure victims to perform unsafe actions in the page (ex. phishing).
- How severe is CVE-2020-9743?
- CVE-2020-9743 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2020-9743 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-9743?
- CVE-2020-9743 primarily affects Adobe Experience Manager. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-9743?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-9743 published?
- CVE-2020-9743 was published on 2020-09-10 and last updated on 2026-06-17.
References
Affected products (22)
- cpe:2.3:a:adobe:experience_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp1:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp10:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp11:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp12.1:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp13:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp14:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp15:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp16:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp17:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp18:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp19:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp2:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp20:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp3:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp4:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp5:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp6:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp7:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp8:*:*:*:*:*:*
- cpe:2.3:a:adobe:experience_manager:6.2.0.0:sp1-cfp9:*:*:*:*:*:*
More vulnerabilities in Adobe Experience Manager
- CVE-2025-49533 — Critical (CVSS 9.8): Adobe Experience Manager (MS) versions 6.5.23.0 and earlier are affected by a Deserialization of Untrusted Data…
- CVE-2021-40722 — Critical (CVSS 9.8): AEM Forms Cloud Service offering, as well as version 6.5.10.0 (and below) are affected by an XML External Entity (XXE)…
- CVE-2019-8088 — Critical (CVSS 9.8): Adobe Experience Manager versions 6.5, 6.4, 6.3 and 6.2 have a command injection vulnerability. Successful exploitation…
- CVE-2019-7964 — Critical (CVSS 9.8): Adobe Experience Manager versions 6.5, and 6.4 have an authentication bypass vulnerability. Successful exploitation…
- CVE-2017-3108 — Critical (CVSS 9.8): Adobe Experience Manager 6.2 and earlier has a malicious file execution vulnerability.
- CVE-2026-34691 — Critical (CVSS 9.3): Adobe Experience Manager Forms JEE versions LTS SP1, 6.5.24.0 and earlier are affected by a stored Cross-Site Scripting…
All CVEs affecting Adobe Experience Manager →
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 →